#0C1253#0C1253

#0C1253 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.5% C 0.115 H 269.8°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#0C1253
RGB	rgb(12, 18, 83)
HSL	hsl(235, 75%, 19%)
HSV	hsv(235, 86%, 33%)
CMYK	cmyk(85.5%, 78.3%, 0%, 67.5%)
CIE-LAB	lab(10.07, 24.01, -39.85)
CIE-LCH	lch(10.07, 46.52, 301.07°)
OKLab	oklab(23.47% -0.0004 -0.1154)
OKLCH	oklch(23.47% 0.115 269.8)
XYZ	xyz(1.9287, 1.1351, 8.2994)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1253 #534D0C

analogous

#0C3553 #0C1253 #290C53

triadic

#0C1253 #530C12 #12530C

tetradic

#0C1253 #530C35 #534D0C #0C5329

square

#0C1253 #530C35 #534D0C #0C5329

split-complementary

#0C1253 #53290C #35530C

monochromatic

#04061B #04061E #0C1253 #141E88 #1B29BE

Accessibility & contrast

On white

17.11

#0C1253 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0C1253 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1253

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1253	#FFFFFF	#000000	##FFFFFF
##0C1253	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)

#001F55

Deuteranopia (green-blind)

#001852

Tritanopia (blue-blind)

#002531

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0c1253;
/* rgb */ color: rgb(12, 18, 83);
/* oklch */ color: oklch(23.5% 0.115 269.8);

Tailwind

colors: {
  custom: {
    50: '#5a5084',
    500: '#0c1253',
    950: '#000000',
  },
}

SCSS

$custom: #0c1253;
$custom-light: #5a5084;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1253",
  "rgb": {
    "r": 12,
    "g": 18,
    "b": 83
  },
  "hsl": {
    "h": 234.93,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23467,
    "c": 0.11542,
    "h": 269.8
  },
  "luminance": 0.01135
}

Semantic roles & 50–950 ramp

primary

#0C1253

secondary

#8E862D

accent

#E236F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1253

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

Preview Lab → · Contrast checker → · Palette generator →