#0D275B#0D275B

#0D275B is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.099 H 262.2°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#0D275B
RGB	rgb(13, 39, 91)
HSL	hsl(220, 75%, 20%)
HSV	hsv(220, 86%, 36%)
CMYK	cmyk(85.7%, 57.1%, 0%, 64.3%)
CIE-LAB	lab(16.95, 12.02, -34.00)
CIE-LCH	lch(16.95, 36.06, 289.47°)
OKLab	oklab(28.82% -0.0135 -0.098)
OKLCH	oklch(28.82% 0.099 262.2)
XYZ	xyz(2.7791, 2.2916, 10.1914)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D275B #5B410D

analogous

#0D4E5B #0D275B #1A0D5B

triadic

#0D275B #5B0D27 #275B0D

tetradic

#0D275B #5B0D4E #5B410D #0D5B1A

square

#0D275B #5B0D4E #5B410D #0D5B1A

split-complementary

#0D275B #5B1A0D #4E5B0D

monochromatic

#040B1B #051025 #0D275B #153E91 #1C55C6

Accessibility & contrast

On white

14.40

#0D275B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0D275B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D275B

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D275B	#FFFFFF	#000000	##FFFFFF
##0D275B	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022E5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00343C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0d275b;
/* rgb */ color: rgb(13, 39, 91);
/* oklch */ color: oklch(28.8% 0.099 262.2);

Tailwind

colors: {
  custom: {
    50: '#5b608a',
    500: '#0d275b',
    950: '#000000',
  },
}

SCSS

$custom: #0d275b;
$custom-light: #5b608a;
$custom-dark: #000000;

JSON

{
  "hex": "#0d275b",
  "rgb": {
    "r": 13,
    "g": 39,
    "b": 91
  },
  "hsl": {
    "h": 220,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28818,
    "c": 0.09893,
    "h": 262.2
  },
  "luminance": 0.02292
}

Semantic roles & 50–950 ramp

primary

#0D275B

secondary

#95732F

accent

#B336F2

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040C

muted

#79797D

Preview Lab

Preview with #0D275B

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

Preview Lab → · Contrast checker → · Palette generator →