#0A3A3A#0A3A3A

#0A3A3A is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.049 H 195.0°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#0A3A3A
RGB	rgb(10, 58, 58)
HSL	hsl(180, 71%, 13%)
HSV	hsv(180, 83%, 23%)
CMYK	cmyk(82.8%, 0%, 0%, 77.3%)
CIE-LAB	lab(21.56, -15.19, -4.54)
CIE-LCH	lch(21.56, 15.86, 196.64°)
OKLab	oklab(31.81% -0.0472 -0.0126)
OKLCH	oklch(31.81% 0.049 195)
XYZ	xyz(2.4016, 3.3958, 4.5311)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3A3A #3A0A0A

analogous

#0A3A22 #0A3A3A #0A223A

triadic

#0A3A3A #3A0A3A #3A3A0A

tetradic

#0A3A3A #220A3A #3A0A0A #223A0A

square

#0A3A3A #220A3A #3A0A0A #223A0A

split-complementary

#0A3A3A #3A0A22 #3A220A

monochromatic

#051A1A #051A1A #0A3A3A #136E6E #1CA2A2

Accessibility & contrast

On white

12.51

#0A3A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#0A3A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3A3A

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3A3A	#FFFFFF	#000000	##FFFFFF
##0A3A3A	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36373A

Deuteranopia (green-blind)

#2F323A

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0a3a3a;
/* rgb */ color: rgb(10, 58, 58);
/* oklch */ color: oklch(31.8% 0.049 195.0);

Tailwind

colors: {
  custom: {
    50: '#537070',
    500: '#0a3a3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a3a3a;
$custom-light: #537070;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3a3a",
  "rgb": {
    "r": 10,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 180,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.31814,
    "c": 0.04885,
    "h": 195
  },
  "luminance": 0.03396
}

Semantic roles & 50–950 ramp

primary

#0A3A3A

secondary

#772828

accent

#3A3AED

background

#F5F6F6

surface

#E8ECEC

border

#C4C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #0A3A3A

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

Preview Lab → · Contrast checker → · Palette generator →