Skip to content

#217CB0 Color

#217CB0 is rgb(33, 124, 176) in RGB, hsl(202, 68%, 41%) in HSL, and about cmyk(81%, 30%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Star Command Blue (#007BB8), clearly related but distinguishable side by side at ΔE 5.32. White text is the more readable choice on this background.

#217CB0
HEX#217CB0
RGBrgb(33, 124, 176)
HSLhsl(202, 68%, 41%)
HSVhsv(202, 81%, 69%)
CMYKcmyk(81%, 30%, 0%, 31%)
OKLCHoklch(55.9% 0.115 239.5)
LABlab(48.78% -12.52 -35.63)
LCHlch(48.78% 37.77 250.64)

What #217CB0 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 #217CB0, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Star Command Blue#007BB8ΔE 5.32Blue (NCS)#0087BDΔE 5.59Cerulean#007BA7ΔE 5.8Steel Blue#4682B4ΔE 5.95Green-blue (Crayola)#2887C8ΔE 8.29Sea Blue#006994ΔE 8.91

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

#217CB0 Channel Values

How #217CB0 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 33 · G 124 · B 1768-bit channels as sent to the display
HSLH 202° · S 68% · L 41%Easiest model for building lighter and darker variants
HSVH 202° · S 81% · V 69%Matches the picker in most design tools
CMYKC 81% · M 30% · Y 0% · K 31%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.59:1 vs white · 4.57:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #217CB0 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.

TextWhite text4.59:1AA normal AA large AAA normal
TextBlack text4.57:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #217CB0 in the contrast checker.

Colors That Go With #217CB0

Pairings derived from color-wheel relationships. The complementary color sits opposite #217CB0; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#217CB0
Complementary
#B05621
Analogous
#21B09D
Analogous
#2134B0
Triadic
#B0217C
Triadic
#7CB021
Split comp.
#B02134
Split comp.
#B09D21

Tints & Shades of #217CB0

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

#2894D2
#47A5DC
#69B6E2
#90C9EA
#B2D9F0
#D4EAF7

Shades

#1D6C9A
#185A81
#144B6B
#103C56
#0C2D40
#071B27

Want a full 50-950 ramp with semantic roles? Generate design tokens from #217CB0.

How #217CB0 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#217CB0
Protanopia#7272B0
Protanomaly#5C76B0
Deuteranopia#6969B1
Deuteranomaly#5571B1
Tritanopia#008484
Tritanomaly#008198
Achromatopsia#757575

Test a full palette in the color blindness simulator.

Using #217CB0 in Code

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

CSS custom property--color-217cb0: #217CB0;
CSS backgroundbackground-color: #217CB0;
Tailwind configcolors: { 'color-217cb0': '#217CB0' }
SwiftUIColor(red: 0.129, green: 0.486, blue: 0.690)
Android XML<color name="color_217cb0">#217CB0</color>
SVG fillfill="#217CB0"

More Blue Colors

#217CB0 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#217CB0 Frequently Asked Questions

What color is #217CB0?

#217CB0 is a mid-tone blue — rgb(33, 124, 176) in RGB and hsl(202, 68%, 41%) in HSL. It carries no registered color name of its own; the closest named color is Star Command Blue (#007BB8), which is clearly related but distinguishable side by side at a CIE76 distance of 5.32.

What is the RGB value of #217CB0?

#217CB0 is rgb(33, 124, 176) — red 33, green 124, and blue 176 on the 0-255 scale.

What is the CMYK value of #217CB0?

#217CB0 converts to approximately cmyk(81%, 30%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #217CB0 be black or white?

White text is the more readable choice. #217CB0 scores 4.59:1 against white and 4.57:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #217CB0 as a CSS color keyword?

No. #217CB0 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 steelblue (#4682B4) at a CIE76 distance of 5.95, which is clearly related but distinguishable side by side.

Open #217CB0 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.