#B1B9FC#B1B9FC

#B1B9FC is a light, moderate blue. Relative luminance 0.511; OKLCH L 80.4% C 0.095 H 278.8°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1B9FC
RGB	rgb(177, 185, 252)
HSL	hsl(234, 93%, 84%)
HSV	hsv(234, 30%, 99%)
CMYK	cmyk(29.8%, 26.6%, 0%, 1.2%)
CIE-LAB	lab(76.72, 12.00, -33.98)
CIE-LCH	lch(76.72, 36.04, 289.45°)
OKLab	oklab(80.38% 0.0145 -0.0941)
OKLCH	oklch(80.38% 0.095 278.8)
XYZ	xyz(53.0463, 51.0718, 99.1395)
Luminance	0.5107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B9FC #FCF4B1

analogous

#B1DFFC #B1B9FC #CFB1FC

triadic

#B1B9FC #FCB1B9 #B9FCB1

tetradic

#B1B9FC #FCB1DF #FCF4B1 #B1FCCF

square

#B1B9FC #FCB1DF #FCF4B1 #B1FCCF

split-complementary

#B1B9FC #FCCFB1 #DFFCB1

monochromatic

#3B4FF7 #7684FA #B1B9FC #E2E5FE #E2E5FE

Accessibility & contrast

On white

1.87

#B1B9FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#B1B9FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B9FC

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B9FC	#FFFFFF	#000000	##000000
##B1B9FC	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5C0FF

Deuteranopia (green-blind)

#A1BBFA

Tritanopia (blue-blind)

#9EC5D0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b1b9fc;
/* rgb */ color: rgb(177, 185, 252);
/* oklch */ color: oklch(80.4% 0.095 278.8);

Tailwind

colors: {
  custom: {
    50: '#cacdfd',
    500: '#b1b9fc',
    950: '#000000',
  },
}

SCSS

$custom: #b1b9fc;
$custom-light: #cacdfd;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b9fc",
  "rgb": {
    "r": 177,
    "g": 185,
    "b": 252
  },
  "hsl": {
    "h": 233.6,
    "s": 92.593,
    "l": 84.118
  },
  "oklch": {
    "l": 0.80375,
    "c": 0.09518,
    "h": 278.8
  },
  "luminance": 0.51073
}

Semantic roles & 50–950 ramp

primary

#B1B9FC

secondary

#E1D571

accent

#CD00E6

background

#FEFEFF

surface

#FAFAFF

border

#D3D3D7

text

#131317

muted

#838385

Preview Lab

Preview with #B1B9FC

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

Preview Lab → · Contrast checker → · Palette generator →