#0A373E#0A373E

#0A373E is a dark, muted teal. Relative luminance 0.031; OKLCH L 31.1% C 0.048 H 210.2°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#0A373E
RGB	rgb(10, 55, 62)
HSL	hsl(188, 72%, 14%)
HSV	hsv(188, 84%, 24%)
CMYK	cmyk(83.9%, 11.3%, 0%, 75.7%)
CIE-LAB	lab(20.61, -11.94, -8.68)
CIE-LCH	lch(20.61, 14.76, 216.02°)
OKLab	oklab(31.1% -0.0415 -0.0241)
OKLCH	oklch(31.1% 0.048 210.2)
XYZ	xyz(2.3605, 3.1444, 5.0390)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A373E #3E110A

analogous

#0A3E2B #0A373E #0A1D3E

triadic

#0A373E #3E0A37 #373E0A

tetradic

#0A373E #2B0A3E #3E110A #1D3E0A

square

#0A373E #2B0A3E #3E110A #1D3E0A

split-complementary

#0A373E #3E0A1D #3E2B0A

monochromatic

#04171A #04171A #0A373E #136673 #1B95A7

Accessibility & contrast

On white

12.89

#0A373E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0A373E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A373E

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A373E	#FFFFFF	#000000	##FFFFFF
##0A373E	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31353E

Deuteranopia (green-blind)

#2A2F3E

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a373e;
/* rgb */ color: rgb(10, 55, 62);
/* oklch */ color: oklch(31.1% 0.048 210.2);

Tailwind

colors: {
  custom: {
    50: '#536e73',
    500: '#0a373e',
    950: '#000000',
  },
}

SCSS

$custom: #0a373e;
$custom-light: #536e73;
$custom-dark: #000000;

JSON

{
  "hex": "#0a373e",
  "rgb": {
    "r": 10,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 188.077,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.31097,
    "c": 0.04798,
    "h": 210.2
  },
  "luminance": 0.03145
}

Semantic roles & 50–950 ramp

primary

#0A373E

secondary

#7B3428

accent

#5139EF

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A373E

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

Preview Lab → · Contrast checker → · Palette generator →