#0C033A#0C033A

#0C033A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.6% C 0.098 H 278.4°. Best body text is #FFFFFF at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#0C033A
RGB	rgb(12, 3, 58)
HSL	hsl(250, 90%, 12%)
HSV	hsv(250, 95%, 23%)
CMYK	cmyk(79.3%, 94.8%, 0%, 77.3%)
CIE-LAB	lab(4.05, 21.18, -32.13)
CIE-LCH	lch(4.05, 38.48, 303.40°)
OKLab	oklab(17.64% 0.0143 -0.0974)
OKLCH	oklch(17.64% 0.098 278.4)
XYZ	xyz(0.9477, 0.4487, 4.0388)
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

#0C033A #313A03

analogous

#03163A #0C033A #28033A

triadic

#0C033A #3A0C03 #033A0C

tetradic

#0C033A #3A0316 #313A03 #033A28

square

#0C033A #3A0316 #313A03 #033A28

split-complementary

#0C033A #3A2803 #163A03

monochromatic

#06021D #06021D #0C033A #180674 #2409AE

Accessibility & contrast

On white

19.27

#0C033A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0C033A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C033A

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C033A	#FFFFFF	#000000	##FFFFFF
##0C033A	1.00	19.27	1.09	19.27
#FFFFFF	19.27	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00103B

Deuteranopia (green-blind)

#000C39

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0c033a;
/* rgb */ color: rgb(12, 3, 58);
/* oklch */ color: oklch(17.6% 0.098 278.4);

Tailwind

colors: {
  custom: {
    50: '#524771',
    500: '#0c033a',
    950: '#000000',
  },
}

SCSS

$custom: #0c033a;
$custom-light: #524771;
$custom-dark: #000000;

JSON

{
  "hex": "#0c033a",
  "rgb": {
    "r": 12,
    "g": 3,
    "b": 58
  },
  "hsl": {
    "h": 249.818,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.17643,
    "c": 0.0984,
    "h": 278.4
  },
  "luminance": 0.00449
}

Semantic roles & 50–950 ramp

primary

#0C033A

secondary

#6D7D1C

accent

#FF29DC

background

#F4F3F6

surface

#E8E5EC

border

#C4C1C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0C033A

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

Preview Lab → · Contrast checker → · Palette generator →