#0A383F#0A383F

#0A383F is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.4% C 0.049 H 210.0°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#0A383F
RGB	rgb(10, 56, 63)
HSL	hsl(188, 73%, 14%)
HSV	hsv(188, 84%, 25%)
CMYK	cmyk(84.1%, 11.1%, 0%, 75.3%)
CIE-LAB	lab(21.02, -12.17, -8.73)
CIE-LCH	lch(21.02, 14.97, 215.67°)
OKLab	oklab(31.44% -0.0422 -0.0243)
OKLCH	oklch(31.44% 0.049 210)
XYZ	xyz(2.4362, 3.2515, 5.2009)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A383F #3F110A

analogous

#0A3F2C #0A383F #0A1E3F

triadic

#0A383F #3F0A38 #383F0A

tetradic

#0A383F #2C0A3F #3F110A #1E3F0A

square

#0A383F #2C0A3F #3F110A #1E3F0A

split-complementary

#0A383F #3F0A1E #3F2C0A

monochromatic

#04171A #04171A #0A383F #126774 #1B96A9

Accessibility & contrast

On white

12.72

#0A383F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0A383F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A383F

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A383F	#FFFFFF	#000000	##FFFFFF
##0A383F	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32363F

Deuteranopia (green-blind)

#2B303F

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0a383f;
/* rgb */ color: rgb(10, 56, 63);
/* oklch */ color: oklch(31.4% 0.049 210.0);

Tailwind

colors: {
  custom: {
    50: '#536e74',
    500: '#0a383f',
    950: '#000000',
  },
}

SCSS

$custom: #0a383f;
$custom-light: #536e74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a383f",
  "rgb": {
    "r": 10,
    "g": 56,
    "b": 63
  },
  "hsl": {
    "h": 187.925,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.31443,
    "c": 0.04866,
    "h": 210
  },
  "luminance": 0.03252
}

Semantic roles & 50–950 ramp

primary

#0A383F

secondary

#7C3429

accent

#5138EF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A383F

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

Preview Lab → · Contrast checker → · Palette generator →