#0D3F52#0D3F52

#0D3F52 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.5% C 0.060 H 228.5°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#0D3F52
RGB	rgb(13, 63, 82)
HSL	hsl(197, 73%, 19%)
HSV	hsv(197, 84%, 32%)
CMYK	cmyk(84.1%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(24.48, -8.68, -16.08)
CIE-LCH	lch(24.48, 18.27, 241.65°)
OKLab	oklab(34.53% -0.04 -0.0452)
OKLCH	oklch(34.53% 0.06 228.5)
XYZ	xyz(3.4659, 4.2494, 8.6185)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3F52 #52200D

analogous

#0D5242 #0D3F52 #0D1C52

triadic

#0D3F52 #520D3F #3F520D

tetradic

#0D3F52 #420D52 #52200D #1C520D

square

#0D3F52 #420D52 #52200D #1C520D

split-complementary

#0D3F52 #520D1C #52420D

monochromatic

#04141A #05161D #0D3F52 #156887 #1E90BC

Accessibility & contrast

On white

11.35

#0D3F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0D3F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3F52

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3F52	#FFFFFF	#000000	##FFFFFF
##0D3F52	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E53

Deuteranopia (green-blind)

#2C3752

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0d3f52;
/* rgb */ color: rgb(13, 63, 82);
/* oklch */ color: oklch(34.5% 0.060 228.5);

Tailwind

colors: {
  custom: {
    50: '#587482',
    500: '#0d3f52',
    950: '#000000',
  },
}

SCSS

$custom: #0d3f52;
$custom-light: #587482;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3f52",
  "rgb": {
    "r": 13,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 196.522,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34526,
    "c": 0.06035,
    "h": 228.5
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#0D3F52

secondary

#8D482E

accent

#6B38EF

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0D3F52

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

Preview Lab → · Contrast checker → · Palette generator →