#0C1921#0C1921

#0C1921 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.6% C 0.024 H 236.7°. Best body text is #FFFFFF at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#0C1921
RGB	rgb(12, 25, 33)
HSL	hsl(203, 47%, 9%)
HSV	hsv(203, 64%, 13%)
CMYK	cmyk(63.6%, 24.2%, 0%, 87.1%)
CIE-LAB	lab(7.98, -2.69, -7.32)
CIE-LCH	lch(7.98, 7.80, 249.80°)
OKLab	oklab(20.55% -0.0134 -0.0203)
OKLCH	oklch(20.55% 0.024 236.7)
XYZ	xyz(0.7737, 0.8832, 1.5682)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1921 #21140C

analogous

#0C211F #0C1921 #0C0F21

triadic

#0C1921 #210C19 #19210C

tetradic

#0C1921 #1F0C21 #21140C #0F210C

square

#0C1921 #1F0C21 #21140C #0F210C

split-complementary

#0C1921 #210C0F #211F0C

monochromatic

#081116 #081116 #0C1921 #1C3B4E #2D5D7B

Accessibility & contrast

On white

17.85

#0C1921 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0C1921 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1921

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1921	#FFFFFF	#000000	##FFFFFF
##0C1921	1.00	17.85	1.18	17.85
#FFFFFF	17.85	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151921

Deuteranopia (green-blind)

#121621

Tritanopia (blue-blind)

#041B1C

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0c1921;
/* rgb */ color: rgb(12, 25, 33);
/* oklch */ color: oklch(20.6% 0.024 236.7);

Tailwind

colors: {
  custom: {
    50: '#4c555c',
    500: '#0c1921',
    950: '#000000',
  },
}

SCSS

$custom: #0c1921;
$custom-light: #4c555c;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1921",
  "rgb": {
    "r": 12,
    "g": 25,
    "b": 33
  },
  "hsl": {
    "h": 202.857,
    "s": 46.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.20553,
    "c": 0.02432,
    "h": 236.7
  },
  "luminance": 0.00883
}

Semantic roles & 50–950 ramp

primary

#0C1921

secondary

#5B3F2E

accent

#8451D6

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010304

muted

#777879

Preview Lab

Preview with #0C1921

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

Preview Lab → · Contrast checker → · Palette generator →