#0D172C#0D172C

#0D172C is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.8% C 0.044 H 263.7°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#0D172C
RGB	rgb(13, 23, 44)
HSL	hsl(221, 54%, 11%)
HSV	hsv(221, 70%, 17%)
CMYK	cmyk(70.5%, 47.7%, 0%, 82.7%)
CIE-LAB	lab(7.95, 3.59, -15.58)
CIE-LCH	lch(7.95, 15.99, 282.97°)
OKLab	oklab(20.76% -0.0049 -0.0442)
OKLCH	oklch(20.76% 0.044 263.7)
XYZ	xyz(0.9268, 0.8801, 2.5034)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D172C #2C220D

analogous

#0D262C #0D172C #120D2C

triadic

#0D172C #2C0D17 #172C0D

tetradic

#0D172C #2C0D26 #2C220D #0D2C12

square

#0D172C #2C0D26 #2C220D #0D2C12

split-complementary

#0D172C #2C120D #262C0D

monochromatic

#070C18 #070C18 #0D172C #1B305B #29488A

Accessibility & contrast

On white

17.86

#0D172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0D172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D172C

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D172C	#FFFFFF	#000000	##FFFFFF
##0D172C	1.00	17.86	1.18	17.86
#FFFFFF	17.86	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E192D

Deuteranopia (green-blind)

#0A162C

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0d172c;
/* rgb */ color: rgb(13, 23, 44);
/* oklch */ color: oklch(20.8% 0.044 263.7);

Tailwind

colors: {
  custom: {
    50: '#4f5365',
    500: '#0d172c',
    950: '#000000',
  },
}

SCSS

$custom: #0d172c;
$custom-light: #4f5365;
$custom-dark: #000000;

JSON

{
  "hex": "#0d172c",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 220.645,
    "s": 54.386,
    "l": 11.176
  },
  "oklch": {
    "l": 0.20764,
    "c": 0.04445,
    "h": 263.7
  },
  "luminance": 0.0088
}

Semantic roles & 50–950 ramp

primary

#0D172C

secondary

#67542E

accent

#AE4ADE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #0D172C

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

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