#0C1055#0C1055

#0C1055 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.4% C 0.121 H 270.1°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#0C1055
RGB	rgb(12, 16, 85)
HSL	hsl(237, 75%, 19%)
HSV	hsv(237, 86%, 33%)
CMYK	cmyk(85.9%, 81.2%, 0%, 66.7%)
CIE-LAB	lab(9.83, 26.14, -41.61)
CIE-LCH	lch(9.83, 49.14, 302.14°)
OKLab	oklab(23.37% 0.0002 -0.1205)
OKLCH	oklch(23.37% 0.121 270.1)
XYZ	xyz(1.9760, 1.1044, 8.7016)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1055 #55510C

analogous

#0C3555 #0C1055 #2D0C55

triadic

#0C1055 #550C10 #10550C

tetradic

#0C1055 #550C35 #55510C #0C552D

square

#0C1055 #550C35 #55510C #0C552D

split-complementary

#0C1055 #552D0C #35550C

monochromatic

#04051B #04061F #0C1055 #141A8B #1B24C0

Accessibility & contrast

On white

17.20

#0C1055 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0C1055 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1055

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1055	#FFFFFF	#000000	##FFFFFF
##0C1055	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)

#001F57

Deuteranopia (green-blind)

#001754

Tritanopia (blue-blind)

#002431

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c1055;
/* rgb */ color: rgb(12, 16, 85);
/* oklch */ color: oklch(23.4% 0.121 270.1);

Tailwind

colors: {
  custom: {
    50: '#5b4f86',
    500: '#0c1055',
    950: '#000000',
  },
}

SCSS

$custom: #0c1055;
$custom-light: #5b4f86;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1055",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 85
  },
  "hsl": {
    "h": 236.712,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2337,
    "c": 0.12052,
    "h": 270.1
  },
  "luminance": 0.01105
}

Semantic roles & 50–950 ramp

primary

#0C1055

secondary

#908B2D

accent

#E836F2

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1055

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

Preview Lab → · Contrast checker → · Palette generator →