#100940#100940

#100940 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.9% C 0.098 H 278.5°. Best body text is #FFFFFF at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#100940
RGB	rgb(16, 9, 64)
HSL	hsl(248, 75%, 14%)
HSV	hsv(248, 86%, 25%)
CMYK	cmyk(75%, 85.9%, 0%, 74.9%)
CIE-LAB	lab(6.10, 22.32, -33.10)
CIE-LCH	lch(6.10, 39.93, 304.00°)
OKLab	oklab(19.92% 0.0145 -0.0965)
OKLCH	oklch(19.92% 0.098 278.5)
XYZ	xyz(1.2365, 0.6756, 4.9147)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 3.06

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100940 #394009

analogous

#091E40 #100940 #2C0940

triadic

#100940 #401009 #094010

tetradic

#100940 #40091E #394009 #09402C

square

#100940 #40091E #394009 #09402C

split-complementary

#100940 #402C09 #1E4009

monochromatic

#07041B #07041B #100940 #1D1176 #2B18AB

Accessibility & contrast

On white

18.50

#100940 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100940 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100940

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100940	#FFFFFF	#000000	##FFFFFF
##100940	1.00	18.50	1.14	18.50
#FFFFFF	18.50	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00113F

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100940;
/* rgb */ color: rgb(16, 9, 64);
/* oklch */ color: oklch(19.9% 0.098 278.5);

Tailwind

colors: {
  custom: {
    50: '#564a75',
    500: '#100940',
    950: '#000000',
  },
}

SCSS

$custom: #100940;
$custom-light: #564a75;
$custom-dark: #000000;

JSON

{
  "hex": "#100940",
  "rgb": {
    "r": 16,
    "g": 9,
    "b": 64
  },
  "hsl": {
    "h": 247.636,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.19916,
    "c": 0.09754,
    "h": 278.5
  },
  "luminance": 0.00676
}

Semantic roles & 50–950 ramp

primary

#100940

secondary

#737E27

accent

#F236DA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #100940

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

Preview Lab → · Contrast checker → · Palette generator →