#0C043B#0C043B

#0C043B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.098 H 277.7°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#0C043B
RGB	rgb(12, 4, 59)
HSL	hsl(249, 87%, 12%)
HSV	hsv(249, 93%, 23%)
CMYK	cmyk(79.7%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(4.34, 21.30, -32.38)
CIE-LCH	lch(4.34, 38.76, 303.33°)
OKLab	oklab(17.99% 0.0131 -0.0974)
OKLCH	oklch(17.99% 0.098 277.7)
XYZ	xyz(0.9842, 0.4807, 4.1777)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C043B #333B04

analogous

#04183B #0C043B #27043B

triadic

#0C043B #3B0C04 #043B0C

tetradic

#0C043B #3B0418 #333B04 #043B27

square

#0C043B #3B0418 #333B04 #043B27

split-complementary

#0C043B #3B2704 #183B04

monochromatic

#06021D #06021D #0C043B #180874 #230CAE

Accessibility & contrast

On white

19.16

#0C043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0C043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C043B

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C043B	#FFFFFF	#000000	##FFFFFF
##0C043B	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113D

Deuteranopia (green-blind)

#000D3A

Tritanopia (blue-blind)

#001520

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0c043b;
/* rgb */ color: rgb(12, 4, 59);
/* oklch */ color: oklch(18.0% 0.098 277.7);

Tailwind

colors: {
  custom: {
    50: '#534772',
    500: '#0c043b',
    950: '#000000',
  },
}

SCSS

$custom: #0c043b;
$custom-light: #534772;
$custom-dark: #000000;

JSON

{
  "hex": "#0c043b",
  "rgb": {
    "r": 12,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 248.727,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.17988,
    "c": 0.09824,
    "h": 277.7
  },
  "luminance": 0.00481
}

Semantic roles & 50–950 ramp

primary

#0C043B

secondary

#6F7D1E

accent

#FD2ADF

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0C043B

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

Preview Lab → · Contrast checker → · Palette generator →