#0D285D#0D285D

#0D285D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.101 H 262.0°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#0D285D
RGB	rgb(13, 40, 93)
HSL	hsl(220, 75%, 21%)
HSV	hsv(220, 86%, 36%)
CMYK	cmyk(86%, 57%, 0%, 63.5%)
CIE-LAB	lab(17.43, 12.15, -34.55)
CIE-LCH	lch(17.43, 36.63, 289.37°)
OKLab	oklab(29.24% -0.014 -0.0996)
OKLCH	oklch(29.24% 0.101 262)
XYZ	xyz(2.8998, 2.3931, 10.6629)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D285D #5D420D

analogous

#0D505D #0D285D #1A0D5D

triadic

#0D285D #5D0D28 #285D0D

tetradic

#0D285D #5D0D50 #5D420D #0D5D1A

square

#0D285D #5D0D50 #5D420D #0D5D1A

split-complementary

#0D285D #5D1A0D #505D0D

monochromatic

#040C1B #051127 #0D285D #153F93 #1C56C8

Accessibility & contrast

On white

14.20

#0D285D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0D285D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D285D

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D285D	#FFFFFF	#000000	##FFFFFF
##0D285D	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022F5F

Deuteranopia (green-blind)

#00275C

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0d285d;
/* rgb */ color: rgb(13, 40, 93);
/* oklch */ color: oklch(29.2% 0.101 262.0);

Tailwind

colors: {
  custom: {
    50: '#5b618b',
    500: '#0d285d',
    950: '#000000',
  },
}

SCSS

$custom: #0d285d;
$custom-light: #5b618b;
$custom-dark: #000000;

JSON

{
  "hex": "#0d285d",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 93
  },
  "hsl": {
    "h": 219.75,
    "s": 75.472,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29235,
    "c": 0.1006,
    "h": 262
  },
  "luminance": 0.02393
}

Semantic roles & 50–950 ramp

primary

#0D285D

secondary

#97742F

accent

#B336F2

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #0D285D

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

Preview Lab → · Contrast checker → · Palette generator →