#101157#101157

#101157 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.0% C 0.121 H 272.0°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#101157
RGB	rgb(16, 17, 87)
HSL	hsl(239, 69%, 20%)
HSV	hsv(239, 82%, 34%)
CMYK	cmyk(81.6%, 80.5%, 0%, 65.9%)
CIE-LAB	lab(10.55, 26.62, -41.78)
CIE-LCH	lch(10.55, 49.53, 302.50°)
OKLab	oklab(24.02% 0.0043 -0.1209)
OKLCH	oklch(24.02% 0.121 272)
XYZ	xyz(2.1339, 1.1989, 9.1339)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101157 #575610

analogous

#103457 #101157 #321057

triadic

#101157 #571011 #115710

tetradic

#101157 #571034 #575610 #105732

square

#101157 #571034 #575610 #105732

split-complementary

#101157 #573210 #345710

monochromatic

#05051A #060723 #101157 #1A1B8B #2325BE

Accessibility & contrast

On white

16.94

#101157 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#101157 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101157

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101157	#FFFFFF	#000000	##FFFFFF
##101157	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002059

Deuteranopia (green-blind)

#001956

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101157;
/* rgb */ color: rgb(16, 17, 87);
/* oklch */ color: oklch(24.0% 0.121 272.0);

Tailwind

colors: {
  custom: {
    50: '#5d5087',
    500: '#101157',
    950: '#000000',
  },
}

SCSS

$custom: #101157;
$custom-light: #5d5087;
$custom-dark: #000000;

JSON

{
  "hex": "#101157",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 87
  },
  "hsl": {
    "h": 239.155,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24017,
    "c": 0.121,
    "h": 272
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary

#101157

secondary

#908F32

accent

#E93CEC

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101157

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

Preview Lab → · Contrast checker → · Palette generator →