#0C1C4B#0C1C4B

#0C1C4B is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.090 H 265.8°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#0C1C4B
RGB	rgb(12, 28, 75)
HSL	hsl(225, 72%, 17%)
HSV	hsv(225, 84%, 29%)
CMYK	cmyk(84%, 62.7%, 0%, 70.6%)
CIE-LAB	lab(12.07, 13.19, -31.08)
CIE-LCH	lch(12.07, 33.76, 292.99°)
OKLab	oklab(24.68% -0.0066 -0.0897)
OKLCH	oklch(24.68% 0.09 265.8)
XYZ	xyz(1.8364, 1.4165, 6.8319)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1C4B #4B3B0C

analogous

#0C3C4B #0C1C4B #1C0C4B

triadic

#0C1C4B #4B0C1C #1C4B0C

tetradic

#0C1C4B #4B0C3C #4B3B0C #0C4B1C

square

#0C1C4B #4B0C3C #4B3B0C #0C4B1C

split-complementary

#0C1C4B #4B1C0C #3C4B0C

monochromatic

#040A1A #040A1A #0C1C4B #143080 #1D43B5

Accessibility & contrast

On white

16.36

#0C1C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0C1C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1C4B

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1C4B	#FFFFFF	#000000	##FFFFFF
##0C1C4B	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234D

Deuteranopia (green-blind)

#001D4A

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0c1c4b;
/* rgb */ color: rgb(12, 28, 75);
/* oklch */ color: oklch(24.7% 0.090 265.8);

Tailwind

colors: {
  custom: {
    50: '#56577e',
    500: '#0c1c4b',
    950: '#000000',
  },
}

SCSS

$custom: #0c1c4b;
$custom-light: #56577e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1c4b",
  "rgb": {
    "r": 12,
    "g": 28,
    "b": 75
  },
  "hsl": {
    "h": 224.762,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24681,
    "c": 0.08993,
    "h": 265.8
  },
  "luminance": 0.01417
}

Semantic roles & 50–950 ramp

primary

#0C1C4B

secondary

#87702C

accent

#C139EF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #0C1C4B

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

Preview Lab → · Contrast checker → · Palette generator →