#101142#101142

#101142 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.090 H 274.9°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#101142
RGB	rgb(16, 17, 66)
HSL	hsl(239, 61%, 16%)
HSV	hsv(239, 76%, 26%)
CMYK	cmyk(75.8%, 74.2%, 0%, 74.1%)
CIE-LAB	lab(8.17, 18.31, -31.15)
CIE-LCH	lch(8.17, 36.13, 300.46°)
OKLab	oklab(21.59% 0.0077 -0.0899)
OKLCH	oklch(21.59% 0.09 274.9)
XYZ	xyz(1.3972, 0.9043, 5.2541)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.44

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101142 #424110

analogous

#102A42 #101142 #281042

triadic

#101142 #421011 #114210

tetradic

#101142 #42102A #424110 #104228

square

#101142 #42102A #424110 #104228

split-complementary

#101142 #422810 #2A4210

monochromatic

#060619 #060619 #101142 #1C1E73 #282AA5

Accessibility & contrast

On white

17.78

#101142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#101142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101142

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101142	#FFFFFF	#000000	##FFFFFF
##101142	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A44

Deuteranopia (green-blind)

#001641

Tritanopia (blue-blind)

#001E27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101142;
/* rgb */ color: rgb(16, 17, 66);
/* oklch */ color: oklch(21.6% 0.090 274.9);

Tailwind

colors: {
  custom: {
    50: '#564f77',
    500: '#101142',
    950: '#000000',
  },
}

SCSS

$custom: #101142;
$custom-light: #564f77;
$custom-dark: #000000;

JSON

{
  "hex": "#101142",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 66
  },
  "hsl": {
    "h": 238.8,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21588,
    "c": 0.09023,
    "h": 274.9
  },
  "luminance": 0.00904
}

Semantic roles & 50–950 ramp

primary

#101142

secondary

#7C7B32

accent

#E144E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #101142

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

Preview Lab → · Contrast checker → · Palette generator →