#0C1237#0C1237

#0C1237 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.072 H 271.5°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#0C1237
RGB	rgb(12, 18, 55)
HSL	hsl(232, 64%, 13%)
HSV	hsv(232, 78%, 22%)
CMYK	cmyk(78.2%, 67.3%, 0%, 78.4%)
CIE-LAB	lab(7.10, 12.03, -25.00)
CIE-LCH	lch(7.10, 27.74, 295.69°)
OKLab	oklab(20.36% 0.0019 -0.0722)
OKLCH	oklch(20.36% 0.072 271.5)
XYZ	xyz(1.0573, 0.7865, 3.7098)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1237 #37310C

analogous

#0C2737 #0C1237 #1B0C37

triadic

#0C1237 #370C12 #12370C

tetradic

#0C1237 #370C27 #37310C #0C371B

square

#0C1237 #370C27 #37310C #0C371B

split-complementary

#0C1237 #371B0C #27370C

monochromatic

#050819 #050819 #0C1237 #172269 #22339B

Accessibility & contrast

On white

18.14

#0C1237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0C1237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1237

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1237	#FFFFFF	#000000	##FFFFFF
##0C1237	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#001436

Tritanopia (blue-blind)

#001B22

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0c1237;
/* rgb */ color: rgb(12, 18, 55);
/* oklch */ color: oklch(20.4% 0.072 271.5);

Tailwind

colors: {
  custom: {
    50: '#514f6e',
    500: '#0c1237',
    950: '#000000',
  },
}

SCSS

$custom: #0c1237;
$custom-light: #514f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1237",
  "rgb": {
    "r": 12,
    "g": 18,
    "b": 55
  },
  "hsl": {
    "h": 231.628,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.20359,
    "c": 0.07218,
    "h": 271.5
  },
  "luminance": 0.00787
}

Semantic roles & 50–950 ramp

primary

#0C1237

secondary

#73692C

accent

#D041E7

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0C1237

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

Preview Lab → · Contrast checker → · Palette generator →