#0D182D#0D182D

#0D182D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.1% C 0.045 H 262.3°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#0D182D
RGB	rgb(13, 24, 45)
HSL	hsl(219, 55%, 11%)
HSV	hsv(219, 71%, 18%)
CMYK	cmyk(71.1%, 46.7%, 0%, 82.4%)
CIE-LAB	lab(8.38, 3.23, -15.64)
CIE-LCH	lch(8.38, 15.97, 281.67°)
OKLab	oklab(21.12% -0.006 -0.0443)
OKLCH	oklch(21.12% 0.045 262.3)
XYZ	xyz(0.9661, 0.9282, 2.6104)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D182D #2D220D

analogous

#0D282D #0D182D #120D2D

triadic

#0D182D #2D0D18 #182D0D

tetradic

#0D182D #2D0D28 #2D220D #0D2D12

square

#0D182D #2D0D28 #2D220D #0D2D12

split-complementary

#0D182D #2D120D #282D0D

monochromatic

#070D18 #070D18 #0D182D #1B315C #284B8C

Accessibility & contrast

On white

17.71

#0D182D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0D182D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D182D

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D182D	#FFFFFF	#000000	##FFFFFF
##0D182D	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1A2E

Deuteranopia (green-blind)

#0B172D

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0d182d;
/* rgb */ color: rgb(13, 24, 45);
/* oklch */ color: oklch(21.1% 0.045 262.3);

Tailwind

colors: {
  custom: {
    50: '#4f5466',
    500: '#0d182d',
    950: '#000000',
  },
}

SCSS

$custom: #0d182d;
$custom-light: #4f5466;
$custom-dark: #000000;

JSON

{
  "hex": "#0d182d",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 45
  },
  "hsl": {
    "h": 219.375,
    "s": 55.172,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21118,
    "c": 0.04474,
    "h": 262.3
  },
  "luminance": 0.00928
}

Semantic roles & 50–950 ramp

primary

#0D182D

secondary

#68542E

accent

#AB49DF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0D182D

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

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