#0C0731#0C0731

#0C0731 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.3% C 0.079 H 279.9°. Best body text is #FFFFFF at 19.26:1 contrast (WCAG AA passes).

Color values

HEX	#0C0731
RGB	rgb(12, 7, 49)
HSL	hsl(247, 75%, 11%)
HSV	hsv(247, 86%, 19%)
CMYK	cmyk(75.5%, 85.7%, 0%, 80.8%)
CIE-LAB	lab(4.08, 14.43, -25.45)
CIE-LCH	lch(4.08, 29.26, 299.56°)
OKLab	oklab(17.32% 0.0136 -0.0779)
OKLCH	oklch(17.32% 0.079 279.9)
XYZ	xyz(0.7818, 0.4518, 2.9511)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0731 #2C3107

analogous

#071731 #0C0731 #210731

triadic

#0C0731 #310C07 #07310C

tetradic

#0C0731 #310717 #2C3107 #073121

square

#0C0731 #310717 #2C3107 #073121

split-complementary

#0C0731 #312107 #173107

monochromatic

#07041B #07041B #0C0731 #190F67 #26169C

Accessibility & contrast

On white

19.26

#0C0731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0C0731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0731

19.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0731	#FFFFFF	#000000	##FFFFFF
##0C0731	1.00	19.26	1.09	19.26
#FFFFFF	19.26	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001032

Deuteranopia (green-blind)

#000D30

Tritanopia (blue-blind)

#00121B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0c0731;
/* rgb */ color: rgb(12, 7, 49);
/* oklch */ color: oklch(17.3% 0.079 279.9);

Tailwind

colors: {
  custom: {
    50: '#4f4969',
    500: '#0c0731',
    950: '#000000',
  },
}

SCSS

$custom: #0c0731;
$custom-light: #4f4969;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0731",
  "rgb": {
    "r": 12,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 247.143,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.17323,
    "c": 0.07911,
    "h": 279.9
  },
  "luminance": 0.00452
}

Semantic roles & 50–950 ramp

primary

#0C0731

secondary

#677123

accent

#F236DB

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0C0731

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

Preview Lab → · Contrast checker → · Palette generator →