#0D212F#0D212F

#0D212F is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.8% C 0.037 H 241.2°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#0D212F
RGB	rgb(13, 33, 47)
HSL	hsl(205, 57%, 12%)
HSV	hsv(205, 72%, 18%)
CMYK	cmyk(72.3%, 29.8%, 0%, 81.6%)
CIE-LAB	lab(11.81, -2.73, -11.71)
CIE-LCH	lch(11.81, 12.02, 256.88°)
OKLab	oklab(23.85% -0.018 -0.0328)
OKLCH	oklch(23.85% 0.037 241.2)
XYZ	xyz(1.2227, 1.3784, 2.8904)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D212F #2F1B0D

analogous

#0D2F2C #0D212F #0D102F

triadic

#0D212F #2F0D21 #212F0D

tetradic

#0D212F #2C0D2F #2F1B0D #102F0D

square

#0D212F #2C0D2F #2F1B0D #102F0D

split-complementary

#0D212F #2F0D10 #2F2C0D

monochromatic

#071118 #071118 #0D212F #1A435F #28648F

Accessibility & contrast

On white

16.46

#0D212F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0D212F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D212F

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D212F	#FFFFFF	#000000	##FFFFFF
##0D212F	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2130

Deuteranopia (green-blind)

#161E2F

Tritanopia (blue-blind)

#002426

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0d212f;
/* rgb */ color: rgb(13, 33, 47);
/* oklch */ color: oklch(23.8% 0.037 241.2);

Tailwind

colors: {
  custom: {
    50: '#4f5c67',
    500: '#0d212f',
    950: '#000000',
  },
}

SCSS

$custom: #0d212f;
$custom-light: #4f5c67;
$custom-dark: #000000;

JSON

{
  "hex": "#0d212f",
  "rgb": {
    "r": 13,
    "g": 33,
    "b": 47
  },
  "hsl": {
    "h": 204.706,
    "s": 56.667,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23849,
    "c": 0.03746,
    "h": 241.2
  },
  "luminance": 0.01379
}

Semantic roles & 50–950 ramp

primary

#0D212F

secondary

#6A472E

accent

#8648E0

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0D212F

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

Preview Lab → · Contrast checker → · Palette generator →