#0A0C42#0A0C42

#0A0C42 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.099 H 271.8°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C42
RGB	rgb(10, 12, 66)
HSL	hsl(238, 74%, 15%)
HSV	hsv(238, 85%, 26%)
CMYK	cmyk(84.8%, 81.8%, 0%, 74.1%)
CIE-LAB	lab(6.51, 20.67, -33.88)
CIE-LCH	lch(6.51, 39.69, 301.39°)
OKLab	oklab(20.2% 0.0031 -0.0986)
OKLCH	oklch(20.2% 0.099 271.8)
XYZ	xyz(1.2397, 0.7207, 5.2270)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.33

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C42 #42400A

analogous

#0A2842 #0A0C42 #240A42

triadic

#0A0C42 #420A0C #0C420A

tetradic

#0A0C42 #420A28 #42400A #0A4224

square

#0A0C42 #420A28 #42400A #0A4224

split-complementary

#0A0C42 #42240A #28420A

monochromatic

#04051B #04051B #0A0C42 #121677 #1A1FAC

Accessibility & contrast

On white

18.35

#0A0C42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A0C42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C42

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C42	#FFFFFF	#000000	##FFFFFF
##0A0C42	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001744

Deuteranopia (green-blind)

#001241

Tritanopia (blue-blind)

#001B26

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a0c42;
/* rgb */ color: rgb(10, 12, 66);
/* oklch */ color: oklch(20.2% 0.099 271.8);

Tailwind

colors: {
  custom: {
    50: '#544b77',
    500: '#0a0c42',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c42;
$custom-light: #544b77;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c42",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 66
  },
  "hsl": {
    "h": 237.857,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.20202,
    "c": 0.09862,
    "h": 271.8
  },
  "luminance": 0.00721
}

Semantic roles & 50–950 ramp

primary

#0A0C42

secondary

#7F7C29

accent

#EA37F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0C42

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

Preview Lab → · Contrast checker → · Palette generator →