#100D22#100D22

#100D22 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.6% C 0.042 H 287.8°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#100D22
RGB	rgb(16, 13, 34)
HSL	hsl(249, 45%, 9%)
HSV	hsv(249, 62%, 13%)
CMYK	cmyk(52.9%, 61.8%, 0%, 86.7%)
CIE-LAB	lab(4.64, 6.48, -13.18)
CIE-LCH	lch(4.64, 14.69, 296.19°)
OKLab	oklab(17.59% 0.0129 -0.0403)
OKLCH	oklch(17.59% 0.042 287.8)
XYZ	xyz(0.6463, 0.5135, 1.5781)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D22 #1F220D

analogous

#0D1522 #100D22 #1B0D22

triadic

#100D22 #22100D #0D2210

tetradic

#100D22 #220D15 #1F220D #0D221B

square

#100D22 #220D15 #1F220D #0D221B

split-complementary

#100D22 #221B0D #15220D

monochromatic

#0A0816 #0A0816 #100D22 #251E4E #3A2F7B

Accessibility & contrast

On white

19.04

#100D22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100D22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D22

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D22	#FFFFFF	#000000	##FFFFFF
##100D22	1.00	19.04	1.10	19.04
#FFFFFF	19.04	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061023

Deuteranopia (green-blind)

#060F22

Tritanopia (blue-blind)

#0B1115

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #100d22;
/* rgb */ color: rgb(16, 13, 34);
/* oklch */ color: oklch(17.6% 0.042 287.8);

Tailwind

colors: {
  custom: {
    50: '#4e4c5d',
    500: '#100d22',
    950: '#000000',
  },
}

SCSS

$custom: #100d22;
$custom-light: #4e4c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#100d22",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 34
  },
  "hsl": {
    "h": 248.571,
    "s": 44.681,
    "l": 9.216
  },
  "oklch": {
    "l": 0.1759,
    "c": 0.04235,
    "h": 287.8
  },
  "luminance": 0.00514
}

Semantic roles & 50–950 ramp

primary

#100D22

secondary

#555B30

accent

#D453C2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010104

muted

#777779

Preview Lab

Preview with #100D22

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

Preview Lab → · Contrast checker → · Palette generator →