#0D304D#0D304D

#0D304D is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.066 H 247.4°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#0D304D
RGB	rgb(13, 48, 77)
HSL	hsl(207, 71%, 18%)
HSV	hsv(207, 83%, 30%)
CMYK	cmyk(83.1%, 37.7%, 0%, 69.8%)
CIE-LAB	lab(18.95, -0.73, -21.41)
CIE-LCH	lch(18.95, 21.42, 268.05°)
OKLab	oklab(30.05% -0.0253 -0.0608)
OKLCH	oklch(30.05% 0.066 247.4)
XYZ	xyz(2.5620, 2.7350, 7.4126)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D304D #4D2A0D

analogous

#0D4D4A #0D304D #0D104D

triadic

#0D304D #4D0D30 #304D0D

tetradic

#0D304D #4A0D4D #4D2A0D #104D0D

square

#0D304D #4A0D4D #4D2A0D #104D0D

split-complementary

#0D304D #4D0D10 #4D4A0D

monochromatic

#04101A #04101A #0D304D #165181 #1F71B6

Accessibility & contrast

On white

13.57

#0D304D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0D304D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D304D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D304D	#FFFFFF	#000000	##FFFFFF
##0D304D	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314E

Deuteranopia (green-blind)

#192B4C

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0d304d;
/* rgb */ color: rgb(13, 48, 77);
/* oklch */ color: oklch(30.0% 0.066 247.4);

Tailwind

colors: {
  custom: {
    50: '#56687f',
    500: '#0d304d',
    950: '#000000',
  },
}

SCSS

$custom: #0d304d;
$custom-light: #56687f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d304d",
  "rgb": {
    "r": 13,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 207.188,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.30048,
    "c": 0.06587,
    "h": 247.4
  },
  "luminance": 0.02735
}

Semantic roles & 50–950 ramp

primary

#0D304D

secondary

#88572E

accent

#8B3AEE

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03060A

muted

#787A7C

Preview Lab

Preview with #0D304D

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

Preview Lab → · Contrast checker → · Palette generator →