#0D173D#0D173D

#0D173D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.074 H 268.6°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#0D173D
RGB	rgb(13, 23, 61)
HSL	hsl(228, 65%, 15%)
HSV	hsv(228, 79%, 24%)
CMYK	cmyk(78.7%, 62.3%, 0%, 76.1%)
CIE-LAB	lab(9.28, 11.04, -25.79)
CIE-LCH	lch(9.28, 28.05, 293.18°)
OKLab	oklab(22.21% -0.0019 -0.0742)
OKLCH	oklch(22.21% 0.074 268.6)
XYZ	xyz(1.3144, 1.0352, 4.5445)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D173D #3D330D

analogous

#0D2F3D #0D173D #1B0D3D

triadic

#0D173D #3D0D17 #173D0D

tetradic

#0D173D #3D0D2F #3D330D #0D3D1B

square

#0D173D #3D0D2F #3D330D #0D3D1B

split-complementary

#0D173D #3D1B0D #2F3D0D

monochromatic

#050A19 #050A19 #0D173D #182A6F #233DA2

Accessibility & contrast

On white

17.40

#0D173D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0D173D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D173D

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D173D	#FFFFFF	#000000	##FFFFFF
##0D173D	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3E

Deuteranopia (green-blind)

#00183C

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0d173d;
/* rgb */ color: rgb(13, 23, 61);
/* oklch */ color: oklch(22.2% 0.074 268.6);

Tailwind

colors: {
  custom: {
    50: '#535373',
    500: '#0d173d',
    950: '#000000',
  },
}

SCSS

$custom: #0d173d;
$custom-light: #535373;
$custom-dark: #000000;

JSON

{
  "hex": "#0d173d",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 61
  },
  "hsl": {
    "h": 227.5,
    "s": 64.865,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22206,
    "c": 0.0742,
    "h": 268.6
  },
  "luminance": 0.01035
}

Semantic roles & 50–950 ramp

primary

#0D173D

secondary

#79692D

accent

#C540E8

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D173D

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

Preview Lab → · Contrast checker → · Palette generator →