#0A0841#0A0841

#0A0841 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.4% C 0.102 H 273.1°. Best body text is #FFFFFF at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#0A0841
RGB	rgb(10, 8, 65)
HSL	hsl(242, 78%, 14%)
HSV	hsv(242, 88%, 25%)
CMYK	cmyk(84.6%, 87.7%, 0%, 74.5%)
CIE-LAB	lab(5.60, 22.22, -34.66)
CIE-LCH	lch(5.60, 41.17, 302.66°)
OKLab	oklab(19.38% 0.0054 -0.1017)
OKLCH	oklch(19.38% 0.102 273.1)
XYZ	xyz(1.1658, 0.6197, 5.0582)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0841 #3F4108

analogous

#082341 #0A0841 #270841

triadic

#0A0841 #410A08 #08410A

tetradic

#0A0841 #410823 #3F4108 #084127

square

#0A0841 #410823 #3F4108 #084127

split-complementary

#0A0841 #412708 #234108

monochromatic

#04031B #04031B #0A0841 #120F77 #1B15AE

Accessibility & contrast

On white

18.68

#0A0841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A0841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0841

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0841	#FFFFFF	#000000	##FFFFFF
##0A0841	1.00	18.68	1.12	18.68
#FFFFFF	18.68	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#001040

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0a0841;
/* rgb */ color: rgb(10, 8, 65);
/* oklch */ color: oklch(19.4% 0.102 273.1);

Tailwind

colors: {
  custom: {
    50: '#544976',
    500: '#0a0841',
    950: '#000000',
  },
}

SCSS

$custom: #0a0841;
$custom-light: #544976;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0841",
  "rgb": {
    "r": 10,
    "g": 8,
    "b": 65
  },
  "hsl": {
    "h": 242.105,
    "s": 78.082,
    "l": 14.314
  },
  "oklch": {
    "l": 0.19385,
    "c": 0.10189,
    "h": 273.1
  },
  "luminance": 0.0062
}

Semantic roles & 50–950 ramp

primary

#0A0841

secondary

#7C7F25

accent

#F533EE

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0841

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

Preview Lab → · Contrast checker → · Palette generator →