#0D285C#0D285C

#0D285C is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.099 H 261.8°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#0D285C
RGB	rgb(13, 40, 92)
HSL	hsl(219, 75%, 21%)
HSV	hsv(219, 86%, 36%)
CMYK	cmyk(85.9%, 56.5%, 0%, 63.9%)
CIE-LAB	lab(17.35, 11.71, -34.02)
CIE-LCH	lch(17.35, 35.98, 288.99°)
OKLab	oklab(29.15% -0.0142 -0.0981)
OKLCH	oklch(29.15% 0.099 261.8)
XYZ	xyz(2.8558, 2.3755, 10.4311)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D285C #5C410D

analogous

#0D4F5C #0D285C #1A0D5C

triadic

#0D285C #5C0D28 #285C0D

tetradic

#0D285C #5C0D4F #5C410D #0D5C1A

square

#0D285C #5C0D4F #5C410D #0D5C1A

split-complementary

#0D285C #5C1A0D #4F5C0D

monochromatic

#040C1B #051126 #0D285C #153F92 #1C57C7

Accessibility & contrast

On white

14.24

#0D285C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0D285C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D285C

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D285C	#FFFFFF	#000000	##FFFFFF
##0D285C	1.00	14.24	1.48	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032E5E

Deuteranopia (green-blind)

#00275B

Tritanopia (blue-blind)

#00353D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0d285c;
/* rgb */ color: rgb(13, 40, 92);
/* oklch */ color: oklch(29.1% 0.099 261.8);

Tailwind

colors: {
  custom: {
    50: '#5b618b',
    500: '#0d285c',
    950: '#000000',
  },
}

SCSS

$custom: #0d285c;
$custom-light: #5b618b;
$custom-dark: #000000;

JSON

{
  "hex": "#0d285c",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 92
  },
  "hsl": {
    "h": 219.494,
    "s": 75.238,
    "l": 20.588
  },
  "oklch": {
    "l": 0.29147,
    "c": 0.09908,
    "h": 261.8
  },
  "luminance": 0.02376
}

Semantic roles & 50–950 ramp

primary

#0D285C

secondary

#96732F

accent

#B236F2

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #0D285C

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

Preview Lab → · Contrast checker → · Palette generator →