#0C1F4A#0C1F4A

#0C1F4A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.3% C 0.084 H 263.6°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#0C1F4A
RGB	rgb(12, 31, 74)
HSL	hsl(222, 72%, 17%)
HSV	hsv(222, 84%, 29%)
CMYK	cmyk(83.8%, 58.1%, 0%, 71%)
CIE-LAB	lab(12.94, 10.43, -28.98)
CIE-LCH	lch(12.94, 30.80, 289.79°)
OKLab	oklab(25.31% -0.0094 -0.0834)
OKLCH	oklch(25.31% 0.084 263.6)
XYZ	xyz(1.8772, 1.5523, 6.6779)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1F4A #4A370C

analogous

#0C3E4A #0C1F4A #180C4A

triadic

#0C1F4A #4A0C1F #1F4A0C

tetradic

#0C1F4A #4A0C3E #4A370C #0C4A18

square

#0C1F4A #4A0C3E #4A370C #0C4A18

split-complementary

#0C1F4A #4A180C #3E4A0C

monochromatic

#040B1A #040B1A #0C1F4A #15357F #1D4BB3

Accessibility & contrast

On white

16.02

#0C1F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0C1F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1F4A

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1F4A	#FFFFFF	#000000	##FFFFFF
##0C1F4A	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03244C

Deuteranopia (green-blind)

#001F49

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0c1f4a;
/* rgb */ color: rgb(12, 31, 74);
/* oklch */ color: oklch(25.3% 0.084 263.6);

Tailwind

colors: {
  custom: {
    50: '#565a7d',
    500: '#0c1f4a',
    950: '#000000',
  },
}

SCSS

$custom: #0c1f4a;
$custom-light: #565a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1f4a",
  "rgb": {
    "r": 12,
    "g": 31,
    "b": 74
  },
  "hsl": {
    "h": 221.613,
    "s": 72.093,
    "l": 16.863
  },
  "oklch": {
    "l": 0.25311,
    "c": 0.08397,
    "h": 263.6
  },
  "luminance": 0.01553
}

Semantic roles & 50–950 ramp

primary

#0C1F4A

secondary

#866A2C

accent

#B739EF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0C1F4A

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

Preview Lab → · Contrast checker → · Palette generator →