#0C1153#0C1153

#0C1153 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.117 H 270.0°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#0C1153
RGB	rgb(12, 17, 83)
HSL	hsl(236, 75%, 19%)
HSV	hsv(236, 86%, 33%)
CMYK	cmyk(85.5%, 79.5%, 0%, 67.5%)
CIE-LAB	lab(9.82, 24.69, -40.26)
CIE-LCH	lch(9.82, 47.23, 301.52°)
OKLab	oklab(23.29% 0.0001 -0.1166)
OKLCH	oklch(23.29% 0.117 270)
XYZ	xyz(1.9129, 1.1034, 8.2941)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1153 #534E0C

analogous

#0C3453 #0C1153 #2A0C53

triadic

#0C1153 #530C11 #11530C

tetradic

#0C1153 #530C34 #534E0C #0C532A

square

#0C1153 #530C34 #534E0C #0C532A

split-complementary

#0C1153 #532A0C #34530C

monochromatic

#04051B #04061E #0C1153 #141C88 #1B27BE

Accessibility & contrast

On white

17.20

#0C1153 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0C1153 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1153

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1153	#FFFFFF	#000000	##FFFFFF
##0C1153	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)

#001F55

Deuteranopia (green-blind)

#001852

Tritanopia (blue-blind)

#002431

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c1153;
/* rgb */ color: rgb(12, 17, 83);
/* oklch */ color: oklch(23.3% 0.117 270.0);

Tailwind

colors: {
  custom: {
    50: '#5a4f84',
    500: '#0c1153',
    950: '#000000',
  },
}

SCSS

$custom: #0c1153;
$custom-light: #5a4f84;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1153",
  "rgb": {
    "r": 12,
    "g": 17,
    "b": 83
  },
  "hsl": {
    "h": 235.775,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23292,
    "c": 0.1166,
    "h": 270
  },
  "luminance": 0.01104
}

Semantic roles & 50–950 ramp

primary

#0C1153

secondary

#8E872D

accent

#E436F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1153

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

Preview Lab → · Contrast checker → · Palette generator →