#0C1851#0C1851

#0C1851 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.105 H 268.0°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#0C1851
RGB	rgb(12, 24, 81)
HSL	hsl(230, 74%, 18%)
HSV	hsv(230, 85%, 32%)
CMYK	cmyk(85.2%, 70.4%, 0%, 68.2%)
CIE-LAB	lab(11.45, 18.86, -36.21)
CIE-LCH	lch(11.45, 40.83, 297.51°)
OKLab	oklab(24.4% -0.0036 -0.1048)
OKLCH	oklch(24.4% 0.105 268)
XYZ	xyz(1.9629, 1.3253, 7.9353)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1851 #51450C

analogous

#0C3A51 #0C1851 #220C51

triadic

#0C1851 #510C18 #18510C

tetradic

#0C1851 #510C3A #51450C #0C5122

square

#0C1851 #510C3A #51450C #0C5122

split-complementary

#0C1851 #51220C #3A510C

monochromatic

#04081B #04081C #0C1851 #142886 #1C38BC

Accessibility & contrast

On white

16.60

#0C1851 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0C1851 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1851

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1851	#FFFFFF	#000000	##FFFFFF
##0C1851	1.00	16.60	1.27	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002253

Deuteranopia (green-blind)

#001B50

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0c1851;
/* rgb */ color: rgb(12, 24, 81);
/* oklch */ color: oklch(24.4% 0.105 268.0);

Tailwind

colors: {
  custom: {
    50: '#595482',
    500: '#0c1851',
    950: '#000000',
  },
}

SCSS

$custom: #0c1851;
$custom-light: #595482;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1851",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 81
  },
  "hsl": {
    "h": 229.565,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24404,
    "c": 0.10484,
    "h": 268
  },
  "luminance": 0.01326
}

Semantic roles & 50–950 ramp

primary

#0C1851

secondary

#8C7C2C

accent

#D137F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C1851

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

Preview Lab → · Contrast checker → · Palette generator →