#101151#101151

#101151 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.113 H 272.8°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#101151
RGB	rgb(16, 17, 81)
HSL	hsl(239, 67%, 19%)
HSV	hsv(239, 80%, 32%)
CMYK	cmyk(80.2%, 79%, 0%, 68.2%)
CIE-LAB	lab(9.84, 24.31, -38.86)
CIE-LCH	lch(9.84, 45.83, 302.03°)
OKLab	oklab(23.3% 0.0054 -0.1124)
OKLCH	oklch(23.3% 0.113 272.8)
XYZ	xyz(1.8988, 1.1049, 7.8962)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101151 #515010

analogous

#103251 #101151 #301051

triadic

#101151 #511011 #115110

tetradic

#101151 #511032 #515010 #105130

square

#101151 #511032 #515010 #105130

split-complementary

#101151 #513010 #325110

monochromatic

#05051A #06061E #101151 #1A1C84 #2426B7

Accessibility & contrast

On white

17.20

#101151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#101151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101151

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101151	#FFFFFF	#000000	##FFFFFF
##101151	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#00232F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101151;
/* rgb */ color: rgb(16, 17, 81);
/* oklch */ color: oklch(23.3% 0.113 272.8);

Tailwind

colors: {
  custom: {
    50: '#5b4f83',
    500: '#101151',
    950: '#000000',
  },
}

SCSS

$custom: #101151;
$custom-light: #5b4f83;
$custom-dark: #000000;

JSON

{
  "hex": "#101151",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 81
  },
  "hsl": {
    "h": 239.077,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23297,
    "c": 0.11256,
    "h": 272.8
  },
  "luminance": 0.01105
}

Semantic roles & 50–950 ramp

primary

#101151

secondary

#8B8932

accent

#E73EEA

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #101151

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

Preview Lab → · Contrast checker → · Palette generator →