#0D3550#0D3550

#0D3550 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.6% C 0.065 H 242.8°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#0D3550
RGB	rgb(13, 53, 80)
HSL	hsl(204, 72%, 18%)
HSV	hsv(204, 84%, 31%)
CMYK	cmyk(83.7%, 33.7%, 0%, 68.6%)
CIE-LAB	lab(20.87, -2.92, -20.39)
CIE-LCH	lch(20.87, 20.60, 261.85°)
OKLab	oklab(31.62% -0.0297 -0.0578)
OKLCH	oklch(31.62% 0.065 242.8)
XYZ	xyz(2.8865, 3.2106, 8.0554)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3550 #50280D

analogous

#0D5049 #0D3550 #0D1350

triadic

#0D3550 #500D35 #35500D

tetradic

#0D3550 #490D50 #50280D #13500D

square

#0D3550 #490D50 #50280D #13500D

split-complementary

#0D3550 #500D13 #50490D

monochromatic

#04111A #04121B #0D3550 #165885 #1E7BB9

Accessibility & contrast

On white

12.79

#0D3550 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0D3550 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3550

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3550	#FFFFFF	#000000	##FFFFFF
##0D3550	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283651

Deuteranopia (green-blind)

#1F2F50

Tritanopia (blue-blind)

#003C3F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0d3550;
/* rgb */ color: rgb(13, 53, 80);
/* oklch */ color: oklch(31.6% 0.065 242.8);

Tailwind

colors: {
  custom: {
    50: '#576c81',
    500: '#0d3550',
    950: '#000000',
  },
}

SCSS

$custom: #0d3550;
$custom-light: #576c81;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3550",
  "rgb": {
    "r": 13,
    "g": 53,
    "b": 80
  },
  "hsl": {
    "h": 204.179,
    "s": 72.043,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31618,
    "c": 0.06498,
    "h": 242.8
  },
  "luminance": 0.03211
}

Semantic roles & 50–950 ramp

primary

#0D3550

secondary

#8B532E

accent

#8239EF

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0D3550

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

Preview Lab → · Contrast checker → · Palette generator →