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#C9D9F7 Color

#C9D9F7 is rgb(201, 217, 247) in RGB, hsl(219, 74%, 88%) in HSL, and about cmyk(19%, 12%, 0%, 3%) in CMYK. It has no registered color name of its own — the closest is Periwinkle (Crayola) (#C3CDE6), clearly related but distinguishable side by side at ΔE 5.13. Black text is the more readable choice on this background.

#C9D9F7
HEX#C9D9F7
RGBrgb(201, 217, 247)
HSLhsl(219, 74%, 88%)
HSVhsv(219, 19%, 97%)
CMYKcmyk(19%, 12%, 0%, 3%)
OKLCHoklch(88.3% 0.045 263.1)
LABlab(86.19% -0.97 -16.65)
LCHlch(86.19% 16.68 266.68)

What #C9D9F7 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #C9D9F7, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Periwinkle (Crayola)#C3CDE6ΔE 5.13Light Periwinkle#C5CBE1ΔE 6.99Beau Blue#BCD4E6ΔE 7.19Light Steel Blue#B0C4DEΔE 8.25Pale Cornflower Blue#ABCDEFΔE 8.45Lavender#E6E6FAΔE 9.63

Browse the full index of named colors A-Z or every blue in the library.

#C9D9F7 Channel Values

How #C9D9F7 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 201 · G 217 · B 2478-bit channels as sent to the display
HSLH 219° · S 74% · L 88%Easiest model for building lighter and darker variants
HSVH 219° · S 19% · V 97%Matches the picker in most design tools
CMYKC 19% · M 12% · Y 0% · K 3%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.42:1 vs white · 14.75:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #C9D9F7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text1.42:1AA normal AA large AAA normal
TextBlack text14.75:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #C9D9F7 in the contrast checker.

Colors That Go With #C9D9F7

Pairings derived from color-wheel relationships. The complementary color sits opposite #C9D9F7; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#C9D9F7
Complementary
#F7E7CA
Analogous
#CAF0F7
Analogous
#D1CAF7
Triadic
#F7CADA
Triadic
#DAF7CA
Split comp.
#F7D1CA
Split comp.
#F0F7CA

Tints & Shades of #C9D9F7

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#CEDDF8
#D7E3F9
#DCE6FA
#E4ECFB
#E9EFFC
#F2F6FD

Shades

#95B4EF
#5F8FE7
#2A69DF
#1B4FB1
#13387C
#0B2047

Want a full 50-950 ramp with semantic roles? Generate design tokens from #C9D9F7.

How #C9D9F7 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#C9D9F7
Protanopia#D6D6F7
Protanomaly#D1D7F7
Deuteranopia#D4D4F7
Deuteranomaly#D0D6F7
Tritanopia#C4DDDD
Tritanomaly#C6DBE8
Achromatopsia#D8D8D8

Test a full palette in the color blindness simulator.

Using #C9D9F7 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-c9d9f7: #C9D9F7;
CSS backgroundbackground-color: #C9D9F7;
Tailwind configcolors: { 'color-c9d9f7': '#C9D9F7' }
SwiftUIColor(red: 0.788, green: 0.851, blue: 0.969)
Android XML<color name="color_c9d9f7">#C9D9F7</color>
SVG fillfill="#C9D9F7"

More Blue Colors

#C9D9F7 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#C9D9F7 Frequently Asked Questions

What color is #C9D9F7?

#C9D9F7 is a lightest blue — rgb(201, 217, 247) in RGB and hsl(219, 74%, 88%) in HSL. It carries no registered color name of its own; the closest named color is Periwinkle (Crayola) (#C3CDE6), which is clearly related but distinguishable side by side at a CIE76 distance of 5.13.

What is the RGB value of #C9D9F7?

#C9D9F7 is rgb(201, 217, 247) — red 201, green 217, and blue 247 on the 0-255 scale.

What is the CMYK value of #C9D9F7?

#C9D9F7 converts to approximately cmyk(19%, 12%, 0%, 3%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #C9D9F7 be black or white?

Black text is the more readable choice. #C9D9F7 scores 1.42:1 against white and 14.75:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #C9D9F7 as a CSS color keyword?

No. #C9D9F7 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is lightsteelblue (#B0C4DE) at a CIE76 distance of 8.25, which is clearly related but distinguishable side by side.

Open #C9D9F7 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.