#0D3743#0D3743

#0D3743 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.4% C 0.049 H 220.9°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#0D3743
RGB	rgb(13, 55, 67)
HSL	hsl(193, 68%, 16%)
HSV	hsv(193, 81%, 26%)
CMYK	cmyk(80.6%, 17.9%, 0%, 73.7%)
CIE-LAB	lab(20.92, -9.54, -11.59)
CIE-LCH	lch(20.92, 15.01, 230.56°)
OKLab	oklab(31.44% -0.0374 -0.0324)
OKLCH	oklch(31.44% 0.049 220.9)
XYZ	xyz(2.5449, 3.2229, 5.7971)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3743 #43190D

analogous

#0D4334 #0D3743 #0D1C43

triadic

#0D3743 #430D37 #37430D

tetradic

#0D3743 #340D43 #43190D #1C430D

square

#0D3743 #340D43 #43190D #1C430D

split-complementary

#0D3743 #430D1C #43340D

monochromatic

#05151A #05151A #0D3743 #176176 #218BAA

Accessibility & contrast

On white

12.77

#0D3743 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0D3743 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3743

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3743	#FFFFFF	#000000	##FFFFFF
##0D3743	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303544

Deuteranopia (green-blind)

#283043

Tritanopia (blue-blind)

#003B3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0d3743;
/* rgb */ color: rgb(13, 55, 67);
/* oklch */ color: oklch(31.4% 0.049 220.9);

Tailwind

colors: {
  custom: {
    50: '#556d77',
    500: '#0d3743',
    950: '#000000',
  },
}

SCSS

$custom: #0d3743;
$custom-light: #556d77;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3743",
  "rgb": {
    "r": 13,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 193.333,
    "s": 67.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.31437,
    "c": 0.04949,
    "h": 220.9
  },
  "luminance": 0.03223
}

Semantic roles & 50–950 ramp

primary

#0D3743

secondary

#7E3F2D

accent

#643DEA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0D3743

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

Preview Lab → · Contrast checker → · Palette generator →