#0C1053#0C1053

#0C1053 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.118 H 270.3°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#0C1053
RGB	rgb(12, 16, 83)
HSL	hsl(237, 75%, 19%)
HSV	hsv(237, 86%, 33%)
CMYK	cmyk(85.5%, 80.7%, 0%, 67.5%)
CIE-LAB	lab(9.59, 25.36, -40.65)
CIE-LCH	lch(9.59, 47.91, 301.96°)
OKLab	oklab(23.12% 0.0006 -0.1177)
OKLCH	oklch(23.12% 0.118 270.3)
XYZ	xyz(1.8977, 1.0731, 8.2890)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1053 #534F0C

analogous

#0C3353 #0C1053 #2B0C53

triadic

#0C1053 #530C10 #10530C

tetradic

#0C1053 #530C33 #534F0C #0C532B

square

#0C1053 #530C33 #534F0C #0C532B

split-complementary

#0C1053 #532B0C #33530C

monochromatic

#04051B #04061E #0C1053 #141A88 #1B25BE

Accessibility & contrast

On white

17.29

#0C1053 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C1053 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1053

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1053	#FFFFFF	#000000	##FFFFFF
##0C1053	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E55

Deuteranopia (green-blind)

#001752

Tritanopia (blue-blind)

#002430

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c1053;
/* rgb */ color: rgb(12, 16, 83);
/* oklch */ color: oklch(23.1% 0.118 270.3);

Tailwind

colors: {
  custom: {
    50: '#5a4f84',
    500: '#0c1053',
    950: '#000000',
  },
}

SCSS

$custom: #0c1053;
$custom-light: #5a4f84;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1053",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 83
  },
  "hsl": {
    "h": 236.62,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23121,
    "c": 0.11774,
    "h": 270.3
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#0C1053

secondary

#8E892D

accent

#E736F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1053

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

Preview Lab → · Contrast checker → · Palette generator →