#0A383B#0A383B

#0A383B is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.3% C 0.048 H 201.5°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#0A383B
RGB	rgb(10, 56, 59)
HSL	hsl(184, 71%, 14%)
HSV	hsv(184, 83%, 23%)
CMYK	cmyk(83.1%, 5.1%, 0%, 76.9%)
CIE-LAB	lab(20.86, -13.66, -6.27)
CIE-LCH	lch(20.86, 15.04, 204.66°)
OKLab	oklab(31.26% -0.0442 -0.0174)
OKLCH	oklch(31.26% 0.048 201.5)
XYZ	xyz(2.3284, 3.2084, 4.6334)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A383B #3B0D0A

analogous

#0A3B25 #0A383B #0A1F3B

triadic

#0A383B #3B0A38 #383B0A

tetradic

#0A383B #250A3B #3B0D0A #1F3B0A

square

#0A383B #250A3B #3B0D0A #1F3B0A

split-complementary

#0A383B #3B0A1F #3B250A

monochromatic

#04191A #04191A #0A383B #136A6F #1C9BA4

Accessibility & contrast

On white

12.79

#0A383B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0A383B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A383B

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A383B	#FFFFFF	#000000	##FFFFFF
##0A383B	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33353B

Deuteranopia (green-blind)

#2C303B

Tritanopia (blue-blind)

#003B39

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0a383b;
/* rgb */ color: rgb(10, 56, 59);
/* oklch */ color: oklch(31.3% 0.048 201.5);

Tailwind

colors: {
  custom: {
    50: '#536e70',
    500: '#0a383b',
    950: '#000000',
  },
}

SCSS

$custom: #0a383b;
$custom-light: #536e70;
$custom-dark: #000000;

JSON

{
  "hex": "#0a383b",
  "rgb": {
    "r": 10,
    "g": 56,
    "b": 59
  },
  "hsl": {
    "h": 183.673,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.31256,
    "c": 0.04753,
    "h": 201.5
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#0A383B

secondary

#782D28

accent

#453AEE

background

#F4F6F6

surface

#E8ECEC

border

#C4C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #0A383B

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

Preview Lab → · Contrast checker → · Palette generator →