#0A0C3D#0A0C3D

#0A0C3D is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.6% C 0.091 H 272.5°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C3D
RGB	rgb(10, 12, 61)
HSL	hsl(238, 72%, 14%)
HSV	hsv(238, 84%, 24%)
CMYK	cmyk(83.6%, 80.3%, 0%, 76.1%)
CIE-LAB	lab(6.00, 18.22, -31.14)
CIE-LCH	lch(6.00, 36.08, 300.34°)
OKLab	oklab(19.59% 0.004 -0.091)
OKLCH	oklch(19.59% 0.091 272.5)
XYZ	xyz(1.0987, 0.6643, 4.4843)
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

#0A0C3D #3D3B0A

analogous

#0A263D #0A0C3D #220A3D

triadic

#0A0C3D #3D0A0C #0C3D0A

tetradic

#0A0C3D #3D0A26 #3D3B0A #0A3D22

square

#0A0C3D #3D0A26 #3D3B0A #0A3D22

split-complementary

#0A0C3D #3D220A #263D0A

monochromatic

#04051A #04051A #0A0C3D #131672 #1B21A6

Accessibility & contrast

On white

18.54

#0A0C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C3D

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C3D	#FFFFFF	#000000	##FFFFFF
##0A0C3D	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)

#00163E

Deuteranopia (green-blind)

#00113C

Tritanopia (blue-blind)

#001A23

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0c3d;
/* rgb */ color: rgb(10, 12, 61);
/* oklch */ color: oklch(19.6% 0.091 272.5);

Tailwind

colors: {
  custom: {
    50: '#534b73',
    500: '#0a0c3d',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c3d;
$custom-light: #534b73;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c3d",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 61
  },
  "hsl": {
    "h": 237.647,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.19591,
    "c": 0.09113,
    "h": 272.5
  },
  "luminance": 0.00664
}

Semantic roles & 50–950 ramp

primary

#0A0C3D

secondary

#7A7728

accent

#E739EF

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0C3D

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

Preview Lab → · Contrast checker → · Palette generator →