#0A2142#0A2142

#0A2142 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.069 H 257.9°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#0A2142
RGB	rgb(10, 33, 66)
HSL	hsl(215, 74%, 15%)
HSV	hsv(215, 85%, 26%)
CMYK	cmyk(84.8%, 50%, 0%, 74.1%)
CIE-LAB	lab(12.89, 4.97, -23.50)
CIE-LCH	lch(12.89, 24.02, 281.95°)
OKLab	oklab(25.05% -0.0144 -0.0673)
OKLCH	oklch(25.05% 0.069 257.9)
XYZ	xyz(1.6520, 1.5454, 5.3644)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2142 #422B0A

analogous

#0A3D42 #0A2142 #0F0A42

triadic

#0A2142 #420A21 #21420A

tetradic

#0A2142 #420A3D #422B0A #0A420F

square

#0A2142 #420A3D #422B0A #0A420F

split-complementary

#0A2142 #420F0A #3D420A

monochromatic

#040D1B #040D1B #0A2142 #123C77 #1A56AC

Accessibility & contrast

On white

16.04

#0A2142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A2142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2142

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2142	#FFFFFF	#000000	##FFFFFF
##0A2142	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102443

Deuteranopia (green-blind)

#061F41

Tritanopia (blue-blind)

#00292E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a2142;
/* rgb */ color: rgb(10, 33, 66);
/* oklch */ color: oklch(25.1% 0.069 257.9);

Tailwind

colors: {
  custom: {
    50: '#535b76',
    500: '#0a2142',
    950: '#000000',
  },
}

SCSS

$custom: #0a2142;
$custom-light: #535b76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2142",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 66
  },
  "hsl": {
    "h": 215.357,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25053,
    "c": 0.06884,
    "h": 257.9
  },
  "luminance": 0.01546
}

Semantic roles & 50–950 ramp

primary

#0A2142

secondary

#7F5C29

accent

#A437F0

background

#F4F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0A2142

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

Preview Lab → · Contrast checker → · Palette generator →