#0C1251#0C1251

#0C1251 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.113 H 270.0°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#0C1251
RGB	rgb(12, 18, 81)
HSL	hsl(235, 74%, 18%)
HSV	hsv(235, 85%, 32%)
CMYK	cmyk(85.2%, 77.8%, 0%, 68.2%)
CIE-LAB	lab(9.83, 23.21, -38.87)
CIE-LCH	lch(9.83, 45.27, 300.84°)
OKLab	oklab(23.23% -0.0001 -0.1126)
OKLCH	oklch(23.23% 0.113 270)
XYZ	xyz(1.8526, 1.1046, 7.8986)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1251 #514B0C

analogous

#0C3451 #0C1251 #280C51

triadic

#0C1251 #510C12 #12510C

tetradic

#0C1251 #510C34 #514B0C #0C5128

square

#0C1251 #510C34 #514B0C #0C5128

split-complementary

#0C1251 #51280C #34510C

monochromatic

#04061B #04061C #0C1251 #141E86 #1C2ABC

Accessibility & contrast

On white

17.20

#0C1251 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0C1251 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1251

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1251	#FFFFFF	#000000	##FFFFFF
##0C1251	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#002430

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c1251;
/* rgb */ color: rgb(12, 18, 81);
/* oklch */ color: oklch(23.2% 0.113 270.0);

Tailwind

colors: {
  custom: {
    50: '#595083',
    500: '#0c1251',
    950: '#000000',
  },
}

SCSS

$custom: #0c1251;
$custom-light: #595083;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1251",
  "rgb": {
    "r": 12,
    "g": 18,
    "b": 81
  },
  "hsl": {
    "h": 234.783,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23228,
    "c": 0.11256,
    "h": 270
  },
  "luminance": 0.01105
}

Semantic roles & 50–950 ramp

primary

#0C1251

secondary

#8C842C

accent

#E137F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1251

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

Preview Lab → · Contrast checker → · Palette generator →