#0D304B#0D304B

#0D304B is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.063 H 245.7°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#0D304B
RGB	rgb(13, 48, 75)
HSL	hsl(206, 70%, 17%)
HSV	hsv(206, 83%, 29%)
CMYK	cmyk(82.7%, 36%, 0%, 70.6%)
CIE-LAB	lab(18.83, -1.59, -20.24)
CIE-LCH	lch(18.83, 20.31, 265.52°)
OKLab	oklab(29.92% -0.026 -0.0574)
OKLCH	oklch(29.92% 0.063 245.7)
XYZ	xyz(2.4924, 2.7072, 7.0464)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D304B #4B280D

analogous

#0D4B47 #0D304B #0D114B

triadic

#0D304B #4B0D30 #304B0D

tetradic

#0D304B #470D4B #4B280D #114B0D

square

#0D304B #470D4B #4B280D #114B0D

split-complementary

#0D304B #4B0D11 #4B470D

monochromatic

#05111A #05111A #0D304B #16517F #1F73B3

Accessibility & contrast

On white

13.62

#0D304B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#0D304B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D304B

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D304B	#FFFFFF	#000000	##FFFFFF
##0D304B	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24314C

Deuteranopia (green-blind)

#1B2B4A

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0d304b;
/* rgb */ color: rgb(13, 48, 75);
/* oklch */ color: oklch(29.9% 0.063 245.7);

Tailwind

colors: {
  custom: {
    50: '#56687d',
    500: '#0d304b',
    950: '#000000',
  },
}

SCSS

$custom: #0d304b;
$custom-light: #56687d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d304b",
  "rgb": {
    "r": 13,
    "g": 48,
    "b": 75
  },
  "hsl": {
    "h": 206.129,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29915,
    "c": 0.06302,
    "h": 245.7
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#0D304B

secondary

#86542E

accent

#883BED

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0D304B

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

Preview Lab → · Contrast checker → · Palette generator →