#0A3838#0A3838

#0A3838 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.1% C 0.047 H 195.0°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#0A3838
RGB	rgb(10, 56, 56)
HSL	hsl(180, 70%, 13%)
HSV	hsv(180, 82%, 22%)
CMYK	cmyk(82.1%, 0%, 0%, 78%)
CIE-LAB	lab(20.74, -14.75, -4.41)
CIE-LCH	lch(20.74, 15.40, 196.66°)
OKLab	oklab(31.12% -0.0458 -0.0123)
OKLCH	oklch(31.12% 0.047 195)
XYZ	xyz(2.2528, 3.1781, 4.2353)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3838 #380A0A

analogous

#0A3821 #0A3838 #0A2138

triadic

#0A3838 #380A38 #38380A

tetradic

#0A3838 #210A38 #380A0A #21380A

square

#0A3838 #210A38 #380A0A #21380A

split-complementary

#0A3838 #380A21 #38210A

monochromatic

#051A1A #051A1A #0A3838 #136C6C #1DA0A0

Accessibility & contrast

On white

12.84

#0A3838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0A3838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3838

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3838	#FFFFFF	#000000	##FFFFFF
##0A3838	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343538

Deuteranopia (green-blind)

#2D3038

Tritanopia (blue-blind)

#003A38

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a3838;
/* rgb */ color: rgb(10, 56, 56);
/* oklch */ color: oklch(31.1% 0.047 195.0);

Tailwind

colors: {
  custom: {
    50: '#526f6e',
    500: '#0a3838',
    950: '#000000',
  },
}

SCSS

$custom: #0a3838;
$custom-light: #526f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3838",
  "rgb": {
    "r": 10,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 180,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.31123,
    "c": 0.04743,
    "h": 195
  },
  "luminance": 0.03178
}

Semantic roles & 50–950 ramp

primary

#0A3838

secondary

#752828

accent

#3B3BED

background

#F4F6F6

surface

#E7ECEB

border

#C3C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #0A3838

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

Preview Lab → · Contrast checker → · Palette generator →