#0D3F51#0D3F51

#0D3F51 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.059 H 227.1°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#0D3F51
RGB	rgb(13, 63, 81)
HSL	hsl(196, 72%, 18%)
HSV	hsv(196, 84%, 32%)
CMYK	cmyk(84%, 22.2%, 0%, 68.2%)
CIE-LAB	lab(24.43, -9.07, -15.50)
CIE-LCH	lch(24.43, 17.96, 239.66°)
OKLab	oklab(34.47% -0.0404 -0.0435)
OKLCH	oklch(34.47% 0.059 227.1)
XYZ	xyz(3.4281, 4.2342, 8.4196)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3F51 #511F0D

analogous

#0D5141 #0D3F51 #0D1D51

triadic

#0D3F51 #510D3F #3F510D

tetradic

#0D3F51 #410D51 #511F0D #1D510D

square

#0D3F51 #410D51 #511F0D #1D510D

split-complementary

#0D3F51 #510D1D #51410D

monochromatic

#04151A #05161C #0D3F51 #156886 #1E91BA

Accessibility & contrast

On white

11.37

#0D3F51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0D3F51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3F51

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3F51	#FFFFFF	#000000	##FFFFFF
##0D3F51	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E52

Deuteranopia (green-blind)

#2C3751

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0d3f51;
/* rgb */ color: rgb(13, 63, 81);
/* oklch */ color: oklch(34.5% 0.059 227.1);

Tailwind

colors: {
  custom: {
    50: '#587482',
    500: '#0d3f51',
    950: '#000000',
  },
}

SCSS

$custom: #0d3f51;
$custom-light: #587482;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3f51",
  "rgb": {
    "r": 13,
    "g": 63,
    "b": 81
  },
  "hsl": {
    "h": 195.882,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.34471,
    "c": 0.0594,
    "h": 227.1
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#0D3F51

secondary

#8C472E

accent

#6939EF

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0D3F51

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

Preview Lab → · Contrast checker → · Palette generator →