#B1BBFF#B1BBFF

#B1BBFF is a light, moderate blue. Relative luminance 0.521; OKLCH L 80.9% C 0.097 H 277.5°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#B1BBFF
RGB	rgb(177, 187, 255)
HSL	hsl(232, 100%, 85%)
HSV	hsv(232, 31%, 100%)
CMYK	cmyk(30.6%, 26.7%, 0%, 0%)
CIE-LAB	lab(77.34, 11.63, -34.63)
CIE-LCH	lch(77.34, 36.53, 288.57°)
OKLab	oklab(80.9% 0.0127 -0.0959)
OKLCH	oklch(80.9% 0.097 277.5)
XYZ	xyz(53.9468, 52.1061, 101.8035)
Luminance	0.5211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BBFF #FFF5B1

analogous

#B1E2FF #B1BBFF #CEB1FF

triadic

#B1BBFF #FFB1BB #BBFFB1

tetradic

#B1BBFF #FFB1E2 #FFF5B1 #B1FFCE

square

#B1BBFF #FFB1E2 #FFF5B1 #B1FFCE

split-complementary

#B1BBFF #FFCEB1 #E2FFB1

monochromatic

#3750FF #7486FF #B1BBFF #E0E4FF #E0E4FF

Accessibility & contrast

On white

1.84

#B1BBFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#B1BBFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BBFF

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BBFF	#FFFFFF	#000000	##000000
##B1BBFF	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7C2FF

Deuteranopia (green-blind)

#A2BCFD

Tritanopia (blue-blind)

#9DC8D3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1bbff;
/* rgb */ color: rgb(177, 187, 255);
/* oklch */ color: oklch(80.9% 0.097 277.5);

Tailwind

colors: {
  custom: {
    50: '#cacfff',
    500: '#b1bbff',
    950: '#000000',
  },
}

SCSS

$custom: #b1bbff;
$custom-light: #cacfff;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bbff",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 255
  },
  "hsl": {
    "h": 232.308,
    "s": 100,
    "l": 84.706
  },
  "oklch": {
    "l": 0.80895,
    "c": 0.09677,
    "h": 277.5
  },
  "luminance": 0.52108
}

Semantic roles & 50–950 ramp

primary

#B1BBFF

secondary

#E6D66F

accent

#C800E6

background

#FEFEFF

surface

#FAFBFF

border

#D3D4D7

text

#131318

muted

#838386

Preview Lab

Preview with #B1BBFF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →