#100D2D#100D2D

#100D2D is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.062 H 282.8°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#100D2D
RGB	rgb(16, 13, 45)
HSL	hsl(246, 55%, 11%)
HSV	hsv(246, 71%, 18%)
CMYK	cmyk(64.4%, 71.1%, 0%, 82.4%)
CIE-LAB	lab(5.31, 11.17, -20.50)
CIE-LCH	lch(5.31, 23.35, 298.60°)
OKLab	oklab(18.57% 0.0137 -0.0606)
OKLCH	oklch(18.57% 0.062 282.8)
XYZ	xyz(0.8311, 0.5874, 2.5517)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100D2D #2A2D0D

analogous

#0D1A2D #100D2D #200D2D

triadic

#100D2D #2D100D #0D2D10

tetradic

#100D2D #2D0D1A #2A2D0D #0D2D20

square

#100D2D #2D0D1A #2A2D0D #0D2D20

split-complementary

#100D2D #2D200D #1A2D0D

monochromatic

#080718 #080718 #100D2D #211B5C #32288C

Accessibility & contrast

On white

18.79

#100D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100D2D

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100D2D	#FFFFFF	#000000	##FFFFFF
##100D2D	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00132E

Deuteranopia (green-blind)

#00112C

Tritanopia (blue-blind)

#05141B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100d2d;
/* rgb */ color: rgb(16, 13, 45);
/* oklch */ color: oklch(18.6% 0.062 282.8);

Tailwind

colors: {
  custom: {
    50: '#504c66',
    500: '#100d2d',
    950: '#000000',
  },
}

SCSS

$custom: #100d2d;
$custom-light: #504c66;
$custom-dark: #000000;

JSON

{
  "hex": "#100d2d",
  "rgb": {
    "r": 16,
    "g": 13,
    "b": 45
  },
  "hsl": {
    "h": 245.625,
    "s": 55.172,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18569,
    "c": 0.06209,
    "h": 282.8
  },
  "luminance": 0.00587
}

Semantic roles & 50–950 ramp

primary

#100D2D

secondary

#62682E

accent

#DF49D1

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100D2D

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

Preview Lab → · Contrast checker → · Palette generator →