#0A3737#0A3737

#0A3737 is a dark, muted teal. Relative luminance 0.031; OKLCH L 30.8% C 0.047 H 195.0°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#0A3737
RGB	rgb(10, 55, 55)
HSL	hsl(180, 69%, 13%)
HSV	hsv(180, 82%, 22%)
CMYK	cmyk(81.8%, 0%, 0%, 78.4%)
CIE-LAB	lab(20.33, -14.53, -4.35)
CIE-LCH	lch(20.33, 15.17, 196.67°)
OKLab	oklab(30.78% -0.0451 -0.0121)
OKLCH	oklch(30.78% 0.047 195)
XYZ	xyz(2.1806, 3.0725, 4.0918)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3737 #370A0A

analogous

#0A3720 #0A3737 #0A2037

triadic

#0A3737 #370A37 #37370A

tetradic

#0A3737 #200A37 #370A0A #20370A

square

#0A3737 #200A37 #370A0A #20370A

split-complementary

#0A3737 #370A20 #37200A

monochromatic

#051A1A #051A1A #0A3737 #136B6B #1D9F9F

Accessibility & contrast

On white

13.01

#0A3737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0A3737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3737

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3737	#FFFFFF	#000000	##FFFFFF
##0A3737	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333437

Deuteranopia (green-blind)

#2C2F37

Tritanopia (blue-blind)

#003937

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0a3737;
/* rgb */ color: rgb(10, 55, 55);
/* oklch */ color: oklch(30.8% 0.047 195.0);

Tailwind

colors: {
  custom: {
    50: '#526e6d',
    500: '#0a3737',
    950: '#000000',
  },
}

SCSS

$custom: #0a3737;
$custom-light: #526e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3737",
  "rgb": {
    "r": 10,
    "g": 55,
    "b": 55
  },
  "hsl": {
    "h": 180,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.30776,
    "c": 0.04671,
    "h": 195
  },
  "luminance": 0.03073
}

Semantic roles & 50–950 ramp

primary

#0A3737

secondary

#742828

accent

#3C3CEC

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #0A3737

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

Preview Lab → · Contrast checker → · Palette generator →