#0D173F#0D173F

#0D173F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.078 H 268.7°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#0D173F
RGB	rgb(13, 23, 63)
HSL	hsl(228, 66%, 15%)
HSV	hsv(228, 79%, 25%)
CMYK	cmyk(79.4%, 63.5%, 0%, 75.3%)
CIE-LAB	lab(9.46, 11.93, -26.92)
CIE-LCH	lch(9.46, 29.45, 293.90°)
OKLab	oklab(22.4% -0.0017 -0.0775)
OKLCH	oklch(22.4% 0.078 268.7)
XYZ	xyz(1.3693, 1.0571, 4.8335)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D173F #3F350D

analogous

#0D303F #0D173F #1C0D3F

triadic

#0D173F #3F0D17 #173F0D

tetradic

#0D173F #3F0D30 #3F350D #0D3F1C

square

#0D173F #3F0D30 #3F350D #0D3F1C

split-complementary

#0D173F #3F1C0D #303F0D

monochromatic

#050919 #050919 #0D173F #172A72 #223CA4

Accessibility & contrast

On white

17.34

#0D173F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0D173F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D173F

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D173F	#FFFFFF	#000000	##FFFFFF
##0D173F	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0d173f;
/* rgb */ color: rgb(13, 23, 63);
/* oklch */ color: oklch(22.4% 0.078 268.7);

Tailwind

colors: {
  custom: {
    50: '#545374',
    500: '#0d173f',
    950: '#000000',
  },
}

SCSS

$custom: #0d173f;
$custom-light: #545374;
$custom-dark: #000000;

JSON

{
  "hex": "#0d173f",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 63
  },
  "hsl": {
    "h": 228,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.22396,
    "c": 0.07754,
    "h": 268.7
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary

#0D173F

secondary

#7B6B2D

accent

#C73FE9

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D173F

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

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