#0C133B#0C133B

#0C133B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.0% C 0.077 H 270.7°. Best body text is #FFFFFF at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#0C133B
RGB	rgb(12, 19, 59)
HSL	hsl(231, 66%, 14%)
HSV	hsv(231, 80%, 23%)
CMYK	cmyk(79.7%, 67.8%, 0%, 76.9%)
CIE-LAB	lab(7.76, 13.13, -26.82)
CIE-LCH	lch(7.76, 29.86, 296.09°)
OKLab	oklab(20.99% 0.0009 -0.0773)
OKLCH	oklch(20.99% 0.077 270.7)
XYZ	xyz(1.1736, 0.8596, 4.2409)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C133B #3B340C

analogous

#0C2B3B #0C133B #1D0C3B

triadic

#0C133B #3B0C13 #133B0C

tetradic

#0C133B #3B0C2B #3B340C #0C3B1D

square

#0C133B #3B0C2B #3B340C #0C3B1D

split-complementary

#0C133B #3B1D0C #2B3B0C

monochromatic

#050819 #050819 #0C133B #16236E #2134A1

Accessibility & contrast

On white

17.92

#0C133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0C133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C133B

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C133B	#FFFFFF	#000000	##FFFFFF
##0C133B	1.00	17.92	1.17	17.92
#FFFFFF	17.92	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0c133b;
/* rgb */ color: rgb(12, 19, 59);
/* oklch */ color: oklch(21.0% 0.077 270.7);

Tailwind

colors: {
  custom: {
    50: '#525071',
    500: '#0c133b',
    950: '#000000',
  },
}

SCSS

$custom: #0c133b;
$custom-light: #525071;
$custom-dark: #000000;

JSON

{
  "hex": "#0c133b",
  "rgb": {
    "r": 12,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 231.064,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20994,
    "c": 0.07733,
    "h": 270.7
  },
  "luminance": 0.0086
}

Semantic roles & 50–950 ramp

primary

#0C133B

secondary

#776C2C

accent

#D03FE9

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0C133B

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

Preview Lab → · Contrast checker → · Palette generator →