#0D173C#0D173C

#0D173C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.073 H 268.5°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#0D173C
RGB	rgb(13, 23, 60)
HSL	hsl(227, 64%, 14%)
HSV	hsv(227, 78%, 24%)
CMYK	cmyk(78.3%, 61.7%, 0%, 76.5%)
CIE-LAB	lab(9.19, 10.60, -25.22)
CIE-LCH	lch(9.19, 27.35, 292.80°)
OKLab	oklab(22.11% -0.0019 -0.0725)
OKLCH	oklch(22.11% 0.073 268.5)
XYZ	xyz(1.2877, 1.0245, 4.4040)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D173C #3C320D

analogous

#0D2F3C #0D173C #1B0D3C

triadic

#0D173C #3C0D17 #173C0D

tetradic

#0D173C #3C0D2F #3C320D #0D3C1B

square

#0D173C #3C0D2F #3C320D #0D3C1B

split-complementary

#0D173C #3C1B0D #2F3C0D

monochromatic

#050A19 #050A19 #0D173C #182A6E #233EA1

Accessibility & contrast

On white

17.43

#0D173C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0D173C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D173C

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D173C	#FFFFFF	#000000	##FFFFFF
##0D173C	1.00	17.43	1.21	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011C3D

Deuteranopia (green-blind)

#00183B

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0d173c;
/* rgb */ color: rgb(13, 23, 60);
/* oklch */ color: oklch(22.1% 0.073 268.5);

Tailwind

colors: {
  custom: {
    50: '#535372',
    500: '#0d173c',
    950: '#000000',
  },
}

SCSS

$custom: #0d173c;
$custom-light: #535372;
$custom-dark: #000000;

JSON

{
  "hex": "#0d173c",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 60
  },
  "hsl": {
    "h": 227.234,
    "s": 64.384,
    "l": 14.314
  },
  "oklch": {
    "l": 0.22113,
    "c": 0.07252,
    "h": 268.5
  },
  "luminance": 0.01025
}

Semantic roles & 50–950 ramp

primary

#0D173C

secondary

#78682D

accent

#C440E7

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0D173C

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

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