#100C44#100C44

#100C44 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.100 H 276.5°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#100C44
RGB	rgb(16, 12, 68)
HSL	hsl(244, 70%, 16%)
HSV	hsv(244, 82%, 27%)
CMYK	cmyk(76.5%, 82.4%, 0%, 73.3%)
CIE-LAB	lab(7.14, 22.48, -34.25)
CIE-LCH	lch(7.14, 40.97, 303.29°)
OKLab	oklab(20.89% 0.0113 -0.0991)
OKLCH	oklch(20.89% 0.1 276.5)
XYZ	xyz(1.3882, 0.7903, 5.5471)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C44 #40440C

analogous

#0C2444 #100C44 #2C0C44

triadic

#100C44 #44100C #0C4410

tetradic

#100C44 #440C24 #40440C #0C442C

square

#100C44 #440C24 #40440C #0C442C

split-complementary

#100C44 #442C0C #24440C

monochromatic

#06051A #06051A #100C44 #1C1578 #281EAC

Accessibility & contrast

On white

18.13

#100C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#100C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C44

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C44	#FFFFFF	#000000	##FFFFFF
##100C44	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001846

Deuteranopia (green-blind)

#001343

Tritanopia (blue-blind)

#001C27

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #100c44;
/* rgb */ color: rgb(16, 12, 68);
/* oklch */ color: oklch(20.9% 0.100 276.5);

Tailwind

colors: {
  custom: {
    50: '#574b79',
    500: '#100c44',
    950: '#000000',
  },
}

SCSS

$custom: #100c44;
$custom-light: #574b79;
$custom-dark: #000000;

JSON

{
  "hex": "#100c44",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 68
  },
  "hsl": {
    "h": 244.286,
    "s": 70,
    "l": 15.686
  },
  "oklch": {
    "l": 0.20893,
    "c": 0.09977,
    "h": 276.5
  },
  "luminance": 0.0079
}

Semantic roles & 50–950 ramp

primary

#100C44

secondary

#7A802C

accent

#ED3BE0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #100C44

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

Preview Lab → · Contrast checker → · Palette generator →