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#B1B1C8 Color

#B1B1C8 is rgb(177, 177, 200) in RGB, hsl(240, 17%, 74%) in HSL, and about cmyk(12%, 12%, 0%, 22%) in CMYK. It has no registered color name of its own — the closest is Aluminium (#A9ACB6), clearly related but distinguishable side by side at ΔE 7.31. Black text is the more readable choice on this background.

#B1B1C8
HEX#B1B1C8
RGBrgb(177, 177, 200)
HSLhsl(240, 17%, 74%)
HSVhsv(240, 12%, 78%)
CMYKcmyk(12%, 12%, 0%, 22%)
OKLCHoklch(76.8% 0.033 285.6)
LABlab(72.76% 3.41 -11.72)
LCHlch(72.76% 12.21 286.25)

What #B1B1C8 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 #B1B1C8, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Aluminium#A9ACB6ΔE 7.31Wild Blue Yonder#A2ADD0ΔE 7.97Digital Lavender#C8B7C9ΔE 7.99Lavender Gray#C4C3D0ΔE 8.42Light Steel Blue#B0C4DEΔE 9.16Light Periwinkle#C5CBE1ΔE 9.26

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

#B1B1C8 Channel Values

How #B1B1C8 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 177 · G 177 · B 2008-bit channels as sent to the display
HSLH 240° · S 17% · L 74%Easiest model for building lighter and darker variants
HSVH 240° · S 12% · V 78%Matches the picker in most design tools
CMYKC 12% · M 12% · Y 0% · K 22%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.1:1 vs white · 9.99:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B1B1C8 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 text2.1:1AA normal AA large AAA normal
TextBlack text9.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B1B1C8 in the contrast checker.

Colors That Go With #B1B1C8

Pairings derived from color-wheel relationships. The complementary color sits opposite #B1B1C8; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#B1B1C8
Complementary
#C8C8B1
Analogous
#B1BDC8
Analogous
#BDB1C8
Triadic
#C8B1B1
Triadic
#B1C8B1
Split comp.
#C8BDB1
Split comp.
#BDC8B1

Tints & Shades of #B1B1C8

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

#BABACE
#C6C6D7
#CFCFDD
#DBDBE6
#E4E4EC
#F0F0F4

Shades

#9494B3
#76769E
#5D5D83
#484865
#333348
#1E1E2A

Want a full 50-950 ramp with semantic roles? Generate design tokens from #B1B1C8.

How #B1B1C8 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#B1B1C8
Protanopia#B1B1C8
Protanomaly#B1B1C8
Deuteranopia#B1B1C8
Deuteranomaly#B1B1C8
Tritanopia#AEB4B4
Tritanomaly#AFB3BC
Achromatopsia#B3B3B3

Test a full palette in the color blindness simulator.

Using #B1B1C8 in Code

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

CSS custom property--color-b1b1c8: #B1B1C8;
CSS backgroundbackground-color: #B1B1C8;
Tailwind configcolors: { 'color-b1b1c8': '#B1B1C8' }
SwiftUIColor(red: 0.694, green: 0.694, blue: 0.784)
Android XML<color name="color_b1b1c8">#B1B1C8</color>
SVG fillfill="#B1B1C8"

More Blue Colors

#B1B1C8 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#B1B1C8 Frequently Asked Questions

What color is #B1B1C8?

#B1B1C8 is a light blue — rgb(177, 177, 200) in RGB and hsl(240, 17%, 74%) in HSL. It carries no registered color name of its own; the closest named color is Aluminium (#A9ACB6), which is clearly related but distinguishable side by side at a CIE76 distance of 7.31.

What is the RGB value of #B1B1C8?

#B1B1C8 is rgb(177, 177, 200) — red 177, green 177, and blue 200 on the 0-255 scale.

What is the CMYK value of #B1B1C8?

#B1B1C8 converts to approximately cmyk(12%, 12%, 0%, 22%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B1B1C8 be black or white?

Black text is the more readable choice. #B1B1C8 scores 2.1:1 against white and 9.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B1B1C8 as a CSS color keyword?

No. #B1B1C8 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 9.16, which is clearly related but distinguishable side by side.

Open #B1B1C8 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.