#B1BBFB#B1BBFB

#B1BBFB is a light, moderate blue. Relative luminance 0.519; OKLCH L 80.7% C 0.091 H 277.3°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1BBFB
RGB	rgb(177, 187, 251)
HSL	hsl(232, 90%, 84%)
HSV	hsv(232, 29%, 98%)
CMYK	cmyk(29.5%, 25.5%, 0%, 1.6%)
CIE-LAB	lab(77.19, 10.65, -32.72)
CIE-LCH	lch(77.19, 34.41, 288.04°)
OKLab	oklab(80.73% 0.0116 -0.0905)
OKLCH	oklch(80.73% 0.091 277.3)
XYZ	xyz(53.3096, 51.8512, 98.4476)
Luminance	0.5185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BBFB #FBF1B1

analogous

#B1E0FB #B1BBFB #CCB1FB

triadic

#B1BBFB #FBB1BB #BBFBB1

tetradic

#B1BBFB #FBB1E0 #FBF1B1 #B1FBCC

square

#B1BBFB #FBB1E0 #FBF1B1 #B1FBCC

split-complementary

#B1BBFB #FBCCB1 #E0FBB1

monochromatic

#3D55F5 #7788F8 #B1BBFB #E2E6FE #E2E6FE

Accessibility & contrast

On white

1.85

#B1BBFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#B1BBFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BBFB

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BBFB	#FFFFFF	#000000	##000000
##B1BBFB	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8C2FE

Deuteranopia (green-blind)

#A4BCF9

Tritanopia (blue-blind)

#9EC7D1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1bbfb;
/* rgb */ color: rgb(177, 187, 251);
/* oklch */ color: oklch(80.7% 0.091 277.3);

Tailwind

colors: {
  custom: {
    50: '#cacffd',
    500: '#b1bbfb',
    950: '#000000',
  },
}

SCSS

$custom: #b1bbfb;
$custom-light: #cacffd;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bbfb",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 251
  },
  "hsl": {
    "h": 231.892,
    "s": 90.244,
    "l": 83.922
  },
  "oklch": {
    "l": 0.80726,
    "c": 0.09122,
    "h": 277.3
  },
  "luminance": 0.51853
}

Semantic roles & 50–950 ramp

primary

#B1BBFB

secondary

#DFD071

accent

#C600E6

background

#FEFEFF

surface

#FAFBFF

border

#D3D4D7

text

#131317

muted

#838385

Preview Lab

Preview with #B1BBFB

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

Preview Lab → · Contrast checker → · Palette generator →