#0D1740#0D1740

#0D1740 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.079 H 268.8°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#0D1740
RGB	rgb(13, 23, 64)
HSL	hsl(228, 66%, 15%)
HSV	hsv(228, 80%, 25%)
CMYK	cmyk(79.7%, 64.1%, 0%, 74.9%)
CIE-LAB	lab(9.55, 12.37, -27.48)
CIE-LCH	lch(9.55, 30.14, 294.23°)
OKLab	oklab(22.49% -0.0017 -0.0792)
OKLCH	oklch(22.49% 0.079 268.8)
XYZ	xyz(1.3975, 1.0684, 4.9821)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D1740 #40360D

analogous

#0D3140 #0D1740 #1C0D40

triadic

#0D1740 #400D17 #17400D

tetradic

#0D1740 #400D31 #40360D #0D401C

square

#0D1740 #400D31 #40360D #0D401C

split-complementary

#0D1740 #401C0D #31400D

monochromatic

#050919 #050919 #0D1740 #172973 #223CA6

Accessibility & contrast

On white

17.30

#0D1740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0D1740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D1740

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D1740	#FFFFFF	#000000	##FFFFFF
##0D1740	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00183F

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0d1740;
/* rgb */ color: rgb(13, 23, 64);
/* oklch */ color: oklch(22.5% 0.079 268.8);

Tailwind

colors: {
  custom: {
    50: '#545375',
    500: '#0d1740',
    950: '#000000',
  },
}

SCSS

$custom: #0d1740;
$custom-light: #545375;
$custom-dark: #000000;

JSON

{
  "hex": "#0d1740",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 64
  },
  "hsl": {
    "h": 228.235,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.22492,
    "c": 0.07919,
    "h": 268.8
  },
  "luminance": 0.01069
}

Semantic roles & 50–950 ramp

primary

#0D1740

secondary

#7C6C2D

accent

#C83FE9

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D1740

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

Preview Lab → · Contrast checker → · Palette generator →