#B1B3FA#B1B3FA

#B1B3FA is a light, moderate blue. Relative luminance 0.485; OKLCH L 79.1% C 0.100 H 282.6°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#B1B3FA
RGB	rgb(177, 179, 250)
HSL	hsl(238, 88%, 84%)
HSV	hsv(238, 29%, 98%)
CMYK	cmyk(29.2%, 28.4%, 0%, 2%)
CIE-LAB	lab(75.13, 14.82, -35.36)
CIE-LCH	lch(75.13, 38.34, 292.74°)
OKLab	oklab(79.12% 0.0219 -0.098)
OKLCH	oklch(79.12% 0.1 282.6)
XYZ	xyz(51.5023, 48.4881, 97.0696)
Luminance	0.4849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B3FA #FAF8B1

analogous

#B1D7FA #B1B3FA #D3B1FA

triadic

#B1B3FA #FAB1B3 #B3FAB1

tetradic

#B1B3FA #FAB1D7 #FAF8B1 #B1FAD3

square

#B1B3FA #FAB1D7 #FAF8B1 #B1FAD3

split-complementary

#B1B3FA #FAD3B1 #D7FAB1

monochromatic

#3E43F3 #777BF6 #B1B3FA #E2E3FD #E2E3FD

Accessibility & contrast

On white

1.96

#B1B3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.70

#B1B3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B3FA

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B3FA	#FFFFFF	#000000	##000000
##B1B3FA	1.00	1.96	10.70	10.70
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.70	21.00	1.00	1.00
##000000	10.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FBBFD

Deuteranopia (green-blind)

#9CB7F8

Tritanopia (blue-blind)

#9FC0CC

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b1b3fa;
/* rgb */ color: rgb(177, 179, 250);
/* oklch */ color: oklch(79.1% 0.100 282.6);

Tailwind

colors: {
  custom: {
    50: '#cac9fc',
    500: '#b1b3fa',
    950: '#000000',
  },
}

SCSS

$custom: #b1b3fa;
$custom-light: #cac9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b3fa",
  "rgb": {
    "r": 177,
    "g": 179,
    "b": 250
  },
  "hsl": {
    "h": 238.356,
    "s": 87.952,
    "l": 83.725
  },
  "oklch": {
    "l": 0.79117,
    "c": 0.10043,
    "h": 282.6
  },
  "luminance": 0.48489
}

Semantic roles & 50–950 ramp

primary

#B1B3FA

secondary

#F5F4D6

accent

#DE01E5

background

#FCFCFF

surface

#F8F8FF

border

#D1D1D7

text

#131317

muted

#828285

Preview Lab

Preview with #B1B3FA

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

Preview Lab → · Contrast checker → · Palette generator →