#0C0F42#0C0F42

#0C0F42 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.094 H 272.3°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#0C0F42
RGB	rgb(12, 15, 66)
HSL	hsl(237, 69%, 15%)
HSV	hsv(237, 82%, 26%)
CMYK	cmyk(81.8%, 77.3%, 0%, 74.1%)
CIE-LAB	lab(7.34, 19.12, -32.51)
CIE-LCH	lch(7.34, 37.71, 300.47°)
OKLab	oklab(20.9% 0.0038 -0.0941)
OKLCH	oklch(20.9% 0.094 272.3)
XYZ	xyz(1.3055, 0.8130, 5.2413)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.05

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0F42 #423F0C

analogous

#0C2A42 #0C0F42 #240C42

triadic

#0C0F42 #420C0F #0F420C

tetradic

#0C0F42 #420C2A #423F0C #0C4224

square

#0C0F42 #420C2A #423F0C #0C4224

split-complementary

#0C0F42 #42240C #2A420C

monochromatic

#05061A #05061A #0C0F42 #151B76 #1F27AA

Accessibility & contrast

On white

18.06

#0C0F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0C0F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0F42

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0F42	#FFFFFF	#000000	##FFFFFF
##0C0F42	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001944

Deuteranopia (green-blind)

#001441

Tritanopia (blue-blind)

#001D27

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0c0f42;
/* rgb */ color: rgb(12, 15, 66);
/* oklch */ color: oklch(20.9% 0.094 272.3);

Tailwind

colors: {
  custom: {
    50: '#554d77',
    500: '#0c0f42',
    950: '#000000',
  },
}

SCSS

$custom: #0c0f42;
$custom-light: #554d77;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0f42",
  "rgb": {
    "r": 12,
    "g": 15,
    "b": 66
  },
  "hsl": {
    "h": 236.667,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20899,
    "c": 0.09418,
    "h": 272.3
  },
  "luminance": 0.00813
}

Semantic roles & 50–950 ramp

primary

#0C0F42

secondary

#7E792C

accent

#E23CEC

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0C0F42

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

Preview Lab → · Contrast checker → · Palette generator →