#0A3837#0A3837

#0A3837 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.1% C 0.048 H 192.8°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#0A3837
RGB	rgb(10, 56, 55)
HSL	hsl(179, 70%, 13%)
HSV	hsv(179, 82%, 22%)
CMYK	cmyk(82.1%, 0%, 1.8%, 78%)
CIE-LAB	lab(20.71, -15.11, -3.79)
CIE-LCH	lch(20.71, 15.58, 194.09°)
OKLab	oklab(31.08% -0.0464 -0.0106)
OKLCH	oklch(31.08% 0.048 192.8)
XYZ	xyz(2.2286, 3.1684, 4.1078)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3837 #380A0B

analogous

#0A3820 #0A3837 #0A2238

triadic

#0A3837 #370A38 #38370A

tetradic

#0A3837 #200A38 #380A0B #22380A

square

#0A3837 #200A38 #380A0B #22380A

split-complementary

#0A3837 #380A22 #38200A

monochromatic

#051A1A #051A1A #0A3837 #136C6A #1DA09D

Accessibility & contrast

On white

12.85

#0A3837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0A3837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3837

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3837	#FFFFFF	#000000	##FFFFFF
##0A3837	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343537

Deuteranopia (green-blind)

#2D3037

Tritanopia (blue-blind)

#003A38

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a3837;
/* rgb */ color: rgb(10, 56, 55);
/* oklch */ color: oklch(31.1% 0.048 192.8);

Tailwind

colors: {
  custom: {
    50: '#526f6d',
    500: '#0a3837',
    950: '#000000',
  },
}

SCSS

$custom: #0a3837;
$custom-light: #526f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3837",
  "rgb": {
    "r": 10,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 178.696,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.3108,
    "c": 0.04755,
    "h": 192.8
  },
  "luminance": 0.03169
}

Semantic roles & 50–950 ramp

primary

#0A3837

secondary

#75282A

accent

#3B3FED

background

#F4F6F6

surface

#E7ECEB

border

#C3C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #0A3837

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

Preview Lab → · Contrast checker → · Palette generator →