#0D284B#0D284B

#0D284B is a dark, moderate cyan. Relative luminance 0.021; OKLCH L 27.7% C 0.073 H 256.2°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#0D284B
RGB	rgb(13, 40, 75)
HSL	hsl(214, 70%, 17%)
HSV	hsv(214, 83%, 29%)
CMYK	cmyk(82.7%, 46.7%, 0%, 70.6%)
CIE-LAB	lab(16.06, 4.19, -24.64)
CIE-LCH	lch(16.06, 25.00, 279.64°)
OKLab	oklab(27.75% -0.0173 -0.0705)
OKLCH	oklch(27.75% 0.073 256.2)
XYZ	xyz(2.1943, 2.1109, 6.9470)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D284B #4B300D

analogous

#0D474B #0D284B #110D4B

triadic

#0D284B #4B0D28 #284B0D

tetradic

#0D284B #4B0D47 #4B300D #0D4B11

square

#0D284B #4B0D47 #4B300D #0D4B11

split-complementary

#0D284B #4B110D #474B0D

monochromatic

#050E1A #050E1A #0D284B #16447F #1F60B3

Accessibility & contrast

On white

14.77

#0D284B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0D284B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D284B

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D284B	#FFFFFF	#000000	##FFFFFF
##0D284B	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172B4C

Deuteranopia (green-blind)

#0C254A

Tritanopia (blue-blind)

#003035

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0d284b;
/* rgb */ color: rgb(13, 40, 75);
/* oklch */ color: oklch(27.7% 0.073 256.2);

Tailwind

colors: {
  custom: {
    50: '#56617d',
    500: '#0d284b',
    950: '#000000',
  },
}

SCSS

$custom: #0d284b;
$custom-light: #56617d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d284b",
  "rgb": {
    "r": 13,
    "g": 40,
    "b": 75
  },
  "hsl": {
    "h": 213.871,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27746,
    "c": 0.07256,
    "h": 256.2
  },
  "luminance": 0.02111
}

Semantic roles & 50–950 ramp

primary

#0D284B

secondary

#86602E

accent

#9F3BED

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0D284B

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

Preview Lab → · Contrast checker → · Palette generator →