#100A44#100A44

#100A44 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.6% C 0.102 H 277.1°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#100A44
RGB	rgb(16, 10, 68)
HSL	hsl(246, 74%, 15%)
HSV	hsv(246, 85%, 27%)
CMYK	cmyk(76.5%, 85.3%, 0%, 73.3%)
CIE-LAB	lab(6.72, 23.59, -34.93)
CIE-LCH	lch(6.72, 42.15, 304.04°)
OKLab	oklab(20.57% 0.0127 -0.1013)
OKLCH	oklch(20.57% 0.102 277.1)
XYZ	xyz(1.3653, 0.7445, 5.5395)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100A44 #3E440A

analogous

#0A2144 #100A44 #2D0A44

triadic

#100A44 #44100A #0A4410

tetradic

#100A44 #440A21 #3E440A #0A442D

square

#100A44 #440A21 #3E440A #0A442D

split-complementary

#100A44 #442D0A #21440A

monochromatic

#06041B #06041B #100A44 #1D1279 #291AAF

Accessibility & contrast

On white

18.28

#100A44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#100A44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100A44

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100A44	#FFFFFF	#000000	##FFFFFF
##100A44	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001746

Deuteranopia (green-blind)

#001243

Tritanopia (blue-blind)

#001B26

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #100a44;
/* rgb */ color: rgb(16, 10, 68);
/* oklch */ color: oklch(20.6% 0.102 277.1);

Tailwind

colors: {
  custom: {
    50: '#584a79',
    500: '#100a44',
    950: '#000000',
  },
}

SCSS

$custom: #100a44;
$custom-light: #584a79;
$custom-dark: #000000;

JSON

{
  "hex": "#100a44",
  "rgb": {
    "r": 16,
    "g": 10,
    "b": 68
  },
  "hsl": {
    "h": 246.207,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20571,
    "c": 0.10209,
    "h": 277.1
  },
  "luminance": 0.00745
}

Semantic roles & 50–950 ramp

primary

#100A44

secondary

#788129

accent

#F137DE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #100A44

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

Preview Lab → · Contrast checker → · Palette generator →