#0C043A#0C043A

#0C043A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.097 H 278.0°. Best body text is #FFFFFF at 19.20:1 contrast (WCAG AA passes).

Color values

HEX	#0C043A
RGB	rgb(12, 4, 58)
HSL	hsl(249, 87%, 12%)
HSV	hsv(249, 93%, 23%)
CMYK	cmyk(79.3%, 93.1%, 0%, 77.3%)
CIE-LAB	lab(4.25, 20.74, -31.81)
CIE-LCH	lch(4.25, 37.97, 303.11°)
OKLab	oklab(17.85% 0.0135 -0.0959)
OKLCH	oklch(17.85% 0.097 278)
XYZ	xyz(0.9585, 0.4704, 4.0425)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C043A #323A04

analogous

#04173A #0C043A #27043A

triadic

#0C043A #3A0C04 #043A0C

tetradic

#0C043A #3A0417 #323A04 #043A27

square

#0C043A #3A0417 #323A04 #043A27

split-complementary

#0C043A #3A2704 #173A04

monochromatic

#06021D #06021D #0C043A #180873 #240CAD

Accessibility & contrast

On white

19.20

#0C043A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0C043A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C043A

19.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C043A	#FFFFFF	#000000	##FFFFFF
##0C043A	1.00	19.20	1.09	19.20
#FFFFFF	19.20	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113B

Deuteranopia (green-blind)

#000D39

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0c043a;
/* rgb */ color: rgb(12, 4, 58);
/* oklch */ color: oklch(17.9% 0.097 278.0);

Tailwind

colors: {
  custom: {
    50: '#524771',
    500: '#0c043a',
    950: '#000000',
  },
}

SCSS

$custom: #0c043a;
$custom-light: #524771;
$custom-dark: #000000;

JSON

{
  "hex": "#0c043a",
  "rgb": {
    "r": 12,
    "g": 4,
    "b": 58
  },
  "hsl": {
    "h": 248.889,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17851,
    "c": 0.09688,
    "h": 278
  },
  "luminance": 0.0047
}

Semantic roles & 50–950 ramp

primary

#0C043A

secondary

#6E7C1E

accent

#FD2BDE

background

#F4F4F6

surface

#E8E6EC

border

#C4C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0C043A

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

Preview Lab → · Contrast checker → · Palette generator →