#0D285B#0D285B

#0D285B is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.098 H 261.6°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#0D285B
RGB	rgb(13, 40, 91)
HSL	hsl(219, 75%, 20%)
HSV	hsv(219, 86%, 36%)
CMYK	cmyk(85.7%, 56%, 0%, 64.3%)
CIE-LAB	lab(17.26, 11.27, -33.49)
CIE-LCH	lch(17.26, 35.33, 288.60°)
OKLab	oklab(29.06% -0.0143 -0.0965)
OKLCH	oklch(29.06% 0.098 261.6)
XYZ	xyz(2.8124, 2.3581, 10.2024)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D285B #5B400D

analogous

#0D4F5B #0D285B #190D5B

triadic

#0D285B #5B0D28 #285B0D

tetradic

#0D285B #5B0D4F #5B400D #0D5B19

square

#0D285B #5B0D4F #5B400D #0D5B19

split-complementary

#0D285B #5B190D #4F5B0D

monochromatic

#040C1B #051025 #0D285B #154091 #1C57C6

Accessibility & contrast

On white

14.27

#0D285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0D285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D285B

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D285B	#FFFFFF	#000000	##FFFFFF
##0D285B	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052E5D

Deuteranopia (green-blind)

#00275A

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0d285b;
/* rgb */ color: rgb(13, 40, 91);
/* oklch */ color: oklch(29.1% 0.098 261.6);

Tailwind

colors: {
  custom: {
    50: '#5a618a',
    500: '#0d285b',
    950: '#000000',
  },
}

SCSS

$custom: #0d285b;
$custom-light: #5a618a;
$custom-dark: #000000;

JSON

{
  "hex": "#0d285b",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 219.231,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29059,
    "c": 0.09754,
    "h": 261.6
  },
  "luminance": 0.02358
}

Semantic roles & 50–950 ramp

primary

#0D285B

secondary

#95722F

accent

#B136F2

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #0D285B

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

Preview Lab → · Contrast checker → · Palette generator →