#0D173E#0D173E

#0D173E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.076 H 268.6°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#0D173E
RGB	rgb(13, 23, 62)
HSL	hsl(228, 65%, 15%)
HSV	hsv(228, 79%, 24%)
CMYK	cmyk(79%, 62.9%, 0%, 75.7%)
CIE-LAB	lab(9.37, 11.49, -26.36)
CIE-LCH	lch(9.37, 28.75, 293.55°)
OKLab	oklab(22.3% -0.0018 -0.0758)
OKLCH	oklch(22.3% 0.076 268.6)
XYZ	xyz(1.3416, 1.0460, 4.6877)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D173E #3E340D

analogous

#0D303E #0D173E #1C0D3E

triadic

#0D173E #3E0D17 #173E0D

tetradic

#0D173E #3E0D30 #3E340D #0D3E1C

square

#0D173E #3E0D30 #3E340D #0D3E1C

split-complementary

#0D173E #3E1C0D #303E0D

monochromatic

#050919 #050919 #0D173E #182A71 #223DA3

Accessibility & contrast

On white

17.37

#0D173E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0D173E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D173E

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D173E	#FFFFFF	#000000	##FFFFFF
##0D173E	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D3F

Deuteranopia (green-blind)

#00183D

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0d173e;
/* rgb */ color: rgb(13, 23, 62);
/* oklch */ color: oklch(22.3% 0.076 268.6);

Tailwind

colors: {
  custom: {
    50: '#535374',
    500: '#0d173e',
    950: '#000000',
  },
}

SCSS

$custom: #0d173e;
$custom-light: #535374;
$custom-dark: #000000;

JSON

{
  "hex": "#0d173e",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 62
  },
  "hsl": {
    "h": 227.755,
    "s": 65.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.22301,
    "c": 0.07587,
    "h": 268.6
  },
  "luminance": 0.01046
}

Semantic roles & 50–950 ramp

primary

#0D173E

secondary

#7A6A2D

accent

#C640E8

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D173E

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

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