#0A0A41#0A0A41

#0A0A41 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.7% C 0.100 H 272.5°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A0A41
RGB	rgb(10, 10, 65)
HSL	hsl(240, 73%, 15%)
HSV	hsv(240, 85%, 25%)
CMYK	cmyk(84.6%, 84.6%, 0%, 74.5%)
CIE-LAB	lab(5.99, 21.24, -34.02)
CIE-LCH	lch(5.99, 40.10, 301.98°)
OKLab	oklab(19.73% 0.0044 -0.0994)
OKLCH	oklch(19.73% 0.1 272.5)
XYZ	xyz(1.1875, 0.6631, 5.0654)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0A41 #41410A

analogous

#0A2641 #0A0A41 #260A41

triadic

#0A0A41 #410A0A #0A410A

tetradic

#0A0A41 #410A26 #41410A #0A4126

square

#0A0A41 #410A26 #41410A #0A4126

split-complementary

#0A0A41 #41260A #26410A

monochromatic

#04041B #04041B #0A0A41 #121276 #1A1AAB

Accessibility & contrast

On white

18.54

#0A0A41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0A41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0A41

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0A41	#FFFFFF	#000000	##FFFFFF
##0A0A41	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001643

Deuteranopia (green-blind)

#001140

Tritanopia (blue-blind)

#001A25

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0a41;
/* rgb */ color: rgb(10, 10, 65);
/* oklch */ color: oklch(19.7% 0.100 272.5);

Tailwind

colors: {
  custom: {
    50: '#544a76',
    500: '#0a0a41',
    950: '#000000',
  },
}

SCSS

$custom: #0a0a41;
$custom-light: #544a76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0a41",
  "rgb": {
    "r": 10,
    "g": 10,
    "b": 65
  },
  "hsl": {
    "h": 240,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.19728,
    "c": 0.09953,
    "h": 272.5
  },
  "luminance": 0.00663
}

Semantic roles & 50–950 ramp

primary

#0A0A41

secondary

#7E7E29

accent

#F038F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0A41

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

Preview Lab → · Contrast checker → · Palette generator →