#0A3F38#0A3F38

#0A3F38 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.054 H 181.9°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F38
RGB	rgb(10, 63, 56)
HSL	hsl(172, 73%, 14%)
HSV	hsv(172, 84%, 25%)
CMYK	cmyk(84.1%, 0%, 11.1%, 75.3%)
CIE-LAB	lab(23.35, -18.67, -0.55)
CIE-LCH	lch(23.35, 18.67, 181.70°)
OKLab	oklab(33.25% -0.0544 -0.0018)
OKLCH	oklch(33.25% 0.054 181.9)
XYZ	xyz(2.6161, 3.9048, 4.3564)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F38 #3F0A11

analogous

#0A3F1E #0A3F38 #0A2C3F

triadic

#0A3F38 #380A3F #3F380A

tetradic

#0A3F38 #1E0A3F #3F0A11 #2C3F0A

square

#0A3F38 #1E0A3F #3F0A11 #2C3F0A

split-complementary

#0A3F38 #3F0A2C #3F1E0A

monochromatic

#041A17 #041A17 #0A3F38 #127467 #1BA996

Accessibility & contrast

On white

11.79

#0A3F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0A3F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F38

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F38	#FFFFFF	#000000	##FFFFFF
##0A3F38	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B38

Deuteranopia (green-blind)

#343539

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0a3f38;
/* rgb */ color: rgb(10, 63, 56);
/* oklch */ color: oklch(33.2% 0.054 181.9);

Tailwind

colors: {
  custom: {
    50: '#54746e',
    500: '#0a3f38',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f38;
$custom-light: #54746e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f38",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 172.075,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.33247,
    "c": 0.0544,
    "h": 181.9
  },
  "luminance": 0.03905
}

Semantic roles & 50–950 ramp

primary

#0A3F38

secondary

#7C2934

accent

#3851EF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A3F38

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

Preview Lab → · Contrast checker → · Palette generator →