#100842#100842

#100842 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.102 H 278.3°. Best body text is #FFFFFF at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#100842
RGB	rgb(16, 8, 66)
HSL	hsl(248, 78%, 15%)
HSV	hsv(248, 88%, 26%)
CMYK	cmyk(75.8%, 87.9%, 0%, 74.1%)
CIE-LAB	lab(6.12, 23.74, -34.51)
CIE-LCH	lch(6.12, 41.88, 304.53°)
OKLab	oklab(20% 0.0146 -0.1005)
OKLCH	oklch(20% 0.102 278.3)
XYZ	xyz(1.2836, 0.6771, 5.2162)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100842 #3A4208

analogous

#081D42 #100842 #2D0842

triadic

#100842 #421008 #084210

tetradic

#100842 #42081D #3A4208 #08422D

square

#100842 #42081D #3A4208 #08422D

split-complementary

#100842 #422D08 #1D4208

monochromatic

#07031B #07031B #100842 #1D0F79 #2A15AF

Accessibility & contrast

On white

18.50

#100842 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100842 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100842

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100842	#FFFFFF	#000000	##FFFFFF
##100842	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)

#001644

Deuteranopia (green-blind)

#001141

Tritanopia (blue-blind)

#001925

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100842;
/* rgb */ color: rgb(16, 8, 66);
/* oklch */ color: oklch(20.0% 0.102 278.3);

Tailwind

colors: {
  custom: {
    50: '#574977',
    500: '#100842',
    950: '#000000',
  },
}

SCSS

$custom: #100842;
$custom-light: #574977;
$custom-dark: #000000;

JSON

{
  "hex": "#100842",
  "rgb": {
    "r": 16,
    "g": 8,
    "b": 66
  },
  "hsl": {
    "h": 248.276,
    "s": 78.378,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20002,
    "c": 0.10159,
    "h": 278.3
  },
  "luminance": 0.00677
}

Semantic roles & 50–950 ramp

primary

#100842

secondary

#748025

accent

#F533DA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #100842

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

Preview Lab → · Contrast checker → · Palette generator →