#101222#101222

#101222 is a very dark, muted blue. Relative luminance 0.007; OKLCH L 18.9% C 0.033 H 277.4°. Best body text is #FFFFFF at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#101222
RGB	rgb(16, 18, 34)
HSL	hsl(233, 36%, 10%)
HSV	hsv(233, 53%, 13%)
CMYK	cmyk(52.9%, 47.1%, 0%, 86.7%)
CIE-LAB	lab(5.95, 3.81, -11.17)
CIE-LCH	lch(5.95, 11.80, 288.83°)
OKLab	oklab(18.91% 0.0042 -0.0323)
OKLCH	oklch(18.91% 0.033 277.4)
XYZ	xyz(0.7186, 0.6582, 1.6022)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101222 #222010

analogous

#101B22 #101222 #171022

triadic

#101222 #221012 #122210

tetradic

#101222 #22101B #222010 #102217

square

#101222 #22101B #222010 #102217

split-complementary

#101222 #221710 #1B2210

monochromatic

#0A0B15 #0A0B15 #101222 #24284C #373E75

Accessibility & contrast

On white

18.56

#101222 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#101222 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101222

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101222	#FFFFFF	#000000	##FFFFFF
##101222	1.00	18.56	1.13	18.56
#FFFFFF	18.56	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1423

Deuteranopia (green-blind)

#0B1222

Tritanopia (blue-blind)

#0A1518

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #101222;
/* rgb */ color: rgb(16, 18, 34);
/* oklch */ color: oklch(18.9% 0.033 277.4);

Tailwind

colors: {
  custom: {
    50: '#4e4f5d',
    500: '#101222',
    950: '#000000',
  },
}

SCSS

$custom: #101222;
$custom-light: #4e4f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#101222",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 34
  },
  "hsl": {
    "h": 233.333,
    "s": 36,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18906,
    "c": 0.03261,
    "h": 277.4
  },
  "luminance": 0.00658
}

Semantic roles & 50–950 ramp

primary

#101222

secondary

#595535

accent

#C05CCC

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020204

muted

#787879

Preview Lab

Preview with #101222

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

Preview Lab → · Contrast checker → · Palette generator →