#B1BBCB#B1BBCB

#B1BBCB is a light, muted blue. Relative luminance 0.492; OKLCH L 78.9% C 0.025 H 259.8°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#B1BBCB
RGB	rgb(177, 187, 203)
HSL	hsl(217, 20%, 75%)
HSV	hsv(217, 13%, 80%)
CMYK	cmyk(12.8%, 7.9%, 0%, 20.4%)
CIE-LAB	lab(75.57, -0.23, -9.23)
CIE-LCH	lch(75.57, 9.23, 268.54°)
OKLab	oklab(78.93% -0.0045 -0.0249)
OKLCH	oklch(78.93% 0.025 259.8)
XYZ	xyz(46.6788, 49.1989, 63.5254)
Luminance	0.4920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BBCB #CBC1B1

analogous

#B1C8CB #B1BBCB #B4B1CB

triadic

#B1BBCB #CBB1BB #BBCBB1

tetradic

#B1BBCB #CBB1C8 #CBC1B1 #B1CBB4

square

#B1BBCB #CBB1C8 #CBC1B1 #B1CBB4

split-complementary

#B1BBCB #CBB4B1 #C8CBB1

monochromatic

#687B9A #8C9BB3 #B1BBCB #D6DBE3 #EDEFF3

Accessibility & contrast

On white

1.94

#B1BBCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#B1BBCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BBCB

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BBCB	#FFFFFF	#000000	##000000
##B1BBCB	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BCCC

Deuteranopia (green-blind)

#B3B9CB

Tritanopia (blue-blind)

#ABBEC0

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #b1bbcb;
/* rgb */ color: rgb(177, 187, 203);
/* oklch */ color: oklch(78.9% 0.025 259.8);

Tailwind

colors: {
  custom: {
    50: '#c8cfda',
    500: '#b1bbcb',
    950: '#000000',
  },
}

SCSS

$custom: #b1bbcb;
$custom-light: #c8cfda;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bbcb",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 203
  },
  "hsl": {
    "h": 216.923,
    "s": 20,
    "l": 74.51
  },
  "oklch": {
    "l": 0.78929,
    "c": 0.02528,
    "h": 259.8
  },
  "luminance": 0.492
}

Semantic roles & 50–950 ramp

primary

#B1BBCB

secondary

#E9E6E2

accent

#7D479E

background

#FCFCFD

surface

#F8F9FA

border

#D1D2D3

text

#131314

muted

#828283

Preview Lab

Preview with #B1BBCB

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

Preview Lab → · Contrast checker → · Palette generator →