#0A3F37#0A3F37

#0A3F37 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.055 H 180.1°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F37
RGB	rgb(10, 63, 55)
HSL	hsl(171, 73%, 14%)
HSV	hsv(171, 84%, 25%)
CMYK	cmyk(84.1%, 0%, 12.7%, 75.3%)
CIE-LAB	lab(23.32, -18.99, 0.07)
CIE-LCH	lch(23.32, 18.99, 179.80°)
OKLab	oklab(33.21% -0.0549 -0.0001)
OKLCH	oklch(33.21% 0.055 180.1)
XYZ	xyz(2.5919, 3.8951, 4.2289)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F37 #3F0A12

analogous

#0A3F1D #0A3F37 #0A2D3F

triadic

#0A3F37 #370A3F #3F370A

tetradic

#0A3F37 #1D0A3F #3F0A12 #2D3F0A

square

#0A3F37 #1D0A3F #3F0A12 #2D3F0A

split-complementary

#0A3F37 #3F0A2D #3F1D0A

monochromatic

#041A17 #041A17 #0A3F37 #127465 #1BA993

Accessibility & contrast

On white

11.80

#0A3F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0A3F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F37

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F37	#FFFFFF	#000000	##FFFFFF
##0A3F37	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B37

Deuteranopia (green-blind)

#353538

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0a3f37;
/* rgb */ color: rgb(10, 63, 55);
/* oklch */ color: oklch(33.2% 0.055 180.1);

Tailwind

colors: {
  custom: {
    50: '#54746d',
    500: '#0a3f37',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f37;
$custom-light: #54746d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f37",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 170.943,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.3321,
    "c": 0.05493,
    "h": 180.1
  },
  "luminance": 0.03895
}

Semantic roles & 50–950 ramp

primary

#0A3F37

secondary

#7C2935

accent

#3854EF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A3F37

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

Preview Lab → · Contrast checker → · Palette generator →