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#91B1CA Color

#91B1CA is rgb(145, 177, 202) in RGB, hsl(206, 35%, 68%) in HSL, and about cmyk(28%, 12%, 0%, 21%) in CMYK. It has no registered color name of its own — the closest is Pewter Blue (#8BA8B7), clearly related but distinguishable side by side at ΔE 6.36. Black text is the more readable choice on this background.

#91B1CA
HEX#91B1CA
RGBrgb(145, 177, 202)
HSLhsl(206, 35%, 68%)
HSVhsv(206, 28%, 79%)
CMYKcmyk(28%, 12%, 0%, 21%)
OKLCHoklch(74.5% 0.05 241.9)
LABlab(70.45% -6.94 -16.54)
LCHlch(70.45% 17.94 247.24)

What #91B1CA 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 #91B1CA, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Pewter Blue#8BA8B7ΔE 6.36Dark Sky Blue#8CBED6ΔE 6.84Pale Cerulean#9BC4E2ΔE 7.47Moonstone Blue#73A9C2ΔE 8.2Light Steel Blue#B0C4DEΔE 8.86Wild Blue Yonder#A2ADD0ΔE 9.04

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

#91B1CA Channel Values

How #91B1CA 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 145 · G 177 · B 2028-bit channels as sent to the display
HSLH 206° · S 35% · L 68%Easiest model for building lighter and darker variants
HSVH 206° · S 28% · V 79%Matches the picker in most design tools
CMYKC 28% · M 12% · Y 0% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.25:1 vs white · 9.35:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #91B1CA 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 text2.25:1AA normal AA large AAA normal
TextBlack text9.35:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #91B1CA in the contrast checker.

Colors That Go With #91B1CA

Pairings derived from color-wheel relationships. The complementary color sits opposite #91B1CA; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#91B1CA
Complementary
#CAAA91
Analogous
#91CAC6
Analogous
#9195CA
Triadic
#CA91B1
Triadic
#B1CA91
Split comp.
#CA9195
Split comp.
#CAC691

Tints & Shades of #91B1CA

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

#9FBBD1
#B0C7D9
#BED1E0
#CBDBE6
#D9E4ED
#EAF0F5

Shades

#729BBB
#5385AC
#446D8D
#33536B
#243B4C
#16232D

Want a full 50-950 ramp with semantic roles? Generate design tokens from #91B1CA.

How #91B1CA 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#91B1CA
Protanopia#ACACCA
Protanomaly#A2AECA
Deuteranopia#A7A7CB
Deuteranomaly#9FABCA
Tritanopia#8CB4B4
Tritanomaly#8EB3BD
Achromatopsia#ADADAD

Test a full palette in the color blindness simulator.

Using #91B1CA in Code

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

CSS custom property--color-91b1ca: #91B1CA;
CSS backgroundbackground-color: #91B1CA;
Tailwind configcolors: { 'color-91b1ca': '#91B1CA' }
SwiftUIColor(red: 0.569, green: 0.694, blue: 0.792)
Android XML<color name="color_91b1ca">#91B1CA</color>
SVG fillfill="#91B1CA"

More Blue Colors

#91B1CA sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#91B1CA Frequently Asked Questions

What color is #91B1CA?

#91B1CA is a light blue — rgb(145, 177, 202) in RGB and hsl(206, 35%, 68%) in HSL. It carries no registered color name of its own; the closest named color is Pewter Blue (#8BA8B7), which is clearly related but distinguishable side by side at a CIE76 distance of 6.36.

What is the RGB value of #91B1CA?

#91B1CA is rgb(145, 177, 202) — red 145, green 177, and blue 202 on the 0-255 scale.

What is the CMYK value of #91B1CA?

#91B1CA converts to approximately cmyk(28%, 12%, 0%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #91B1CA be black or white?

Black text is the more readable choice. #91B1CA scores 2.25:1 against white and 9.35:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #91B1CA as a CSS color keyword?

No. #91B1CA 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 8.86, which is clearly related but distinguishable side by side.

Open #91B1CA 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.