#0C0C55#0C0C55

#0C0C55 is a very dark, vivid blue. Relative luminance 0.010; OKLCH L 22.8% C 0.125 H 270.8°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#0C0C55
RGB	rgb(12, 12, 85)
HSL	hsl(240, 75%, 19%)
HSV	hsv(240, 86%, 33%)
CMYK	cmyk(85.9%, 85.9%, 0%, 66.7%)
CIE-LAB	lab(8.96, 28.62, -43.05)
CIE-LCH	lch(8.96, 51.69, 303.62°)
OKLab	oklab(22.76% 0.0016 -0.1246)
OKLCH	oklch(22.76% 0.125 270.8)
XYZ	xyz(1.9222, 0.9968, 8.6837)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0C55 #55550C

analogous

#0C3155 #0C0C55 #310C55

triadic

#0C0C55 #550C0C #0C550C

tetradic

#0C0C55 #550C31 #55550C #0C5531

square

#0C0C55 #550C31 #55550C #0C5531

split-complementary

#0C0C55 #55310C #31550C

monochromatic

#04041B #04041F #0C0C55 #14148B #1B1BC0

Accessibility & contrast

On white

17.51

#0C0C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0C0C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0C55

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0C55	#FFFFFF	#000000	##FFFFFF
##0C0C55	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D57

Deuteranopia (green-blind)

#001654

Tritanopia (blue-blind)

#002331

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0c0c55;
/* rgb */ color: rgb(12, 12, 85);
/* oklch */ color: oklch(22.8% 0.125 270.8);

Tailwind

colors: {
  custom: {
    50: '#5b4c86',
    500: '#0c0c55',
    950: '#000000',
  },
}

SCSS

$custom: #0c0c55;
$custom-light: #5b4c86;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0c55",
  "rgb": {
    "r": 12,
    "g": 12,
    "b": 85
  },
  "hsl": {
    "h": 240,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.22758,
    "c": 0.12464,
    "h": 270.8
  },
  "luminance": 0.00997
}

Semantic roles & 50–950 ramp

primary

#0C0C55

secondary

#90902D

accent

#F236F2

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #0C0C55

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

Preview Lab → · Contrast checker → · Palette generator →