#0C0F53#0C0F53

#0C0F53 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 23.0% C 0.119 H 270.5°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#0C0F53
RGB	rgb(12, 15, 83)
HSL	hsl(237, 75%, 19%)
HSV	hsv(237, 86%, 33%)
CMYK	cmyk(85.5%, 81.9%, 0%, 67.5%)
CIE-LAB	lab(9.35, 26.01, -41.03)
CIE-LCH	lch(9.35, 48.59, 302.37°)
OKLab	oklab(22.96% 0.001 -0.1188)
OKLCH	oklch(22.96% 0.119 270.5)
XYZ	xyz(1.8832, 1.0441, 8.2842)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0F53 #53500C

analogous

#0C3253 #0C0F53 #2C0C53

triadic

#0C0F53 #530C0F #0F530C

tetradic

#0C0F53 #530C32 #53500C #0C532C

square

#0C0F53 #530C32 #53500C #0C532C

split-complementary

#0C0F53 #532C0C #32530C

monochromatic

#04051B #04051E #0C0F53 #141988 #1B22BE

Accessibility & contrast

On white

17.37

#0C0F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C0F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0F53

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0F53	#FFFFFF	#000000	##FFFFFF
##0C0F53	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E55

Deuteranopia (green-blind)

#001752

Tritanopia (blue-blind)

#002330

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c0f53;
/* rgb */ color: rgb(12, 15, 83);
/* oklch */ color: oklch(23.0% 0.119 270.5);

Tailwind

colors: {
  custom: {
    50: '#5a4e84',
    500: '#0c0f53',
    950: '#000000',
  },
}

SCSS

$custom: #0c0f53;
$custom-light: #5a4e84;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0f53",
  "rgb": {
    "r": 12,
    "g": 15,
    "b": 83
  },
  "hsl": {
    "h": 237.465,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.22956,
    "c": 0.11884,
    "h": 270.5
  },
  "luminance": 0.01044
}

Semantic roles & 50–950 ramp

primary

#0C0F53

secondary

#8E8A2D

accent

#E936F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04010B

muted

#79777C

Preview Lab

Preview with #0C0F53

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

Preview Lab → · Contrast checker → · Palette generator →