#0C102E#0C102E

#0C102E is a very dark, muted blue. Relative luminance 0.006; OKLCH L 19.0% C 0.060 H 273.6°. Best body text is #FFFFFF at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#0C102E
RGB	rgb(12, 16, 46)
HSL	hsl(233, 59%, 11%)
HSV	hsv(233, 74%, 18%)
CMYK	cmyk(73.9%, 65.2%, 0%, 82%)
CIE-LAB	lab(5.83, 8.85, -20.42)
CIE-LCH	lch(5.83, 22.26, 293.42°)
OKLab	oklab(19% 0.0037 -0.0597)
OKLCH	oklch(19% 0.06 273.6)
XYZ	xyz(0.8299, 0.6459, 2.6652)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C102E #2E2A0C

analogous

#0C212E #0C102E #190C2E

triadic

#0C102E #2E0C10 #102E0C

tetradic

#0C102E #2E0C21 #2E2A0C #0C2E19

square

#0C102E #2E0C21 #2E2A0C #0C2E19

split-complementary

#0C102E #2E190C #212E0C

monochromatic

#060818 #060818 #0C102E #19215F #25328F

Accessibility & contrast

On white

18.60

#0C102E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0C102E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C102E

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C102E	#FFFFFF	#000000	##FFFFFF
##0C102E	1.00	18.60	1.13	18.60
#FFFFFF	18.60	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01142F

Deuteranopia (green-blind)

#00112D

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0c102e;
/* rgb */ color: rgb(12, 16, 46);
/* oklch */ color: oklch(19.0% 0.060 273.6);

Tailwind

colors: {
  custom: {
    50: '#4e4e67',
    500: '#0c102e',
    950: '#000000',
  },
}

SCSS

$custom: #0c102e;
$custom-light: #4e4e67;
$custom-dark: #000000;

JSON

{
  "hex": "#0c102e",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 46
  },
  "hsl": {
    "h": 232.941,
    "s": 58.621,
    "l": 11.373
  },
  "oklch": {
    "l": 0.19004,
    "c": 0.05983,
    "h": 273.6
  },
  "luminance": 0.00646
}

Semantic roles & 50–950 ramp

primary

#0C102E

secondary

#6A622C

accent

#CF46E2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0C102E

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

Preview Lab → · Contrast checker → · Palette generator →