#0C104B#0C104B

#0C104B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.106 H 271.0°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#0C104B
RGB	rgb(12, 16, 75)
HSL	hsl(236, 72%, 17%)
HSV	hsv(236, 84%, 29%)
CMYK	cmyk(84%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(8.62, 22.18, -36.72)
CIE-LCH	lch(8.62, 42.90, 301.13°)
OKLab	oklab(22.15% 0.0019 -0.1063)
OKLCH	oklch(22.15% 0.106 271)
XYZ	xyz(1.6065, 0.9566, 6.7552)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C104B #4B470C

analogous

#0C304B #0C104B #270C4B

triadic

#0C104B #4B0C10 #104B0C

tetradic

#0C104B #4B0C30 #4B470C #0C4B27

square

#0C104B #4B0C30 #4B470C #0C4B27

split-complementary

#0C104B #4B270C #304B0C

monochromatic

#04061A #04061A #0C104B #141B80 #1D27B5

Accessibility & contrast

On white

17.63

#0C104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0C104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C104B

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C104B	#FFFFFF	#000000	##FFFFFF
##0C104B	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4D

Deuteranopia (green-blind)

#00164A

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0c104b;
/* rgb */ color: rgb(12, 16, 75);
/* oklch */ color: oklch(22.1% 0.106 271.0);

Tailwind

colors: {
  custom: {
    50: '#584e7e',
    500: '#0c104b',
    950: '#000000',
  },
}

SCSS

$custom: #0c104b;
$custom-light: #584e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c104b",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 236.19,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22148,
    "c": 0.10632,
    "h": 271
  },
  "luminance": 0.00957
}

Semantic roles & 50–950 ramp

primary

#0C104B

secondary

#87812C

accent

#E439EF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0C104B

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

Preview Lab → · Contrast checker → · Palette generator →