#0C1351#0C1351

#0C1351 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.4% C 0.111 H 269.7°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#0C1351
RGB	rgb(12, 19, 81)
HSL	hsl(234, 74%, 18%)
HSV	hsv(234, 85%, 32%)
CMYK	cmyk(85.2%, 76.5%, 0%, 68.2%)
CIE-LAB	lab(10.09, 22.50, -38.45)
CIE-LCH	lch(10.09, 44.55, 300.34°)
OKLab	oklab(23.41% -0.0006 -0.1113)
OKLCH	oklch(23.41% 0.111 269.7)
XYZ	xyz(1.8692, 1.1378, 7.9041)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1351 #514A0C

analogous

#0C3551 #0C1351 #270C51

triadic

#0C1351 #510C13 #13510C

tetradic

#0C1351 #510C35 #514A0C #0C5127

square

#0C1351 #510C35 #514A0C #0C5127

split-complementary

#0C1351 #51270C #35510C

monochromatic

#04061B #04061C #0C1351 #142086 #1C2CBC

Accessibility & contrast

On white

17.11

#0C1351 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0C1351 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1351

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1351	#FFFFFF	#000000	##FFFFFF
##0C1351	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#002430

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0c1351;
/* rgb */ color: rgb(12, 19, 81);
/* oklch */ color: oklch(23.4% 0.111 269.7);

Tailwind

colors: {
  custom: {
    50: '#595183',
    500: '#0c1351',
    950: '#000000',
  },
}

SCSS

$custom: #0c1351;
$custom-light: #595183;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1351",
  "rgb": {
    "r": 12,
    "g": 19,
    "b": 81
  },
  "hsl": {
    "h": 233.913,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23412,
    "c": 0.11134,
    "h": 269.7
  },
  "luminance": 0.01138
}

Semantic roles & 50–950 ramp

primary

#0C1351

secondary

#8C832C

accent

#DE37F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1351

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

Preview Lab → · Contrast checker → · Palette generator →