#0A393F#0A393F

#0A393F is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.7% C 0.049 H 207.7°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#0A393F
RGB	rgb(10, 57, 63)
HSL	hsl(187, 73%, 14%)
HSV	hsv(187, 84%, 25%)
CMYK	cmyk(84.1%, 9.5%, 0%, 75.3%)
CIE-LAB	lab(21.39, -12.77, -8.17)
CIE-LCH	lch(21.39, 15.16, 212.62°)
OKLab	oklab(31.74% -0.0434 -0.0227)
OKLCH	oklch(31.74% 0.049 207.7)
XYZ	xyz(2.4851, 3.3494, 5.2172)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A393F #3F100A

analogous

#0A3F2B #0A393F #0A1F3F

triadic

#0A393F #3F0A39 #393F0A

tetradic

#0A393F #2B0A3F #3F100A #1F3F0A

square

#0A393F #2B0A3F #3F100A #1F3F0A

split-complementary

#0A393F #3F0A1F #3F2B0A

monochromatic

#04181A #04181A #0A393F #126974 #1B99A9

Accessibility & contrast

On white

12.57

#0A393F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0A393F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A393F

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A393F	#FFFFFF	#000000	##FFFFFF
##0A393F	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33363F

Deuteranopia (green-blind)

#2C313F

Tritanopia (blue-blind)

#003C3B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0a393f;
/* rgb */ color: rgb(10, 57, 63);
/* oklch */ color: oklch(31.7% 0.049 207.7);

Tailwind

colors: {
  custom: {
    50: '#536f74',
    500: '#0a393f',
    950: '#000000',
  },
}

SCSS

$custom: #0a393f;
$custom-light: #536f74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a393f",
  "rgb": {
    "r": 10,
    "g": 57,
    "b": 63
  },
  "hsl": {
    "h": 186.792,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.3174,
    "c": 0.04897,
    "h": 207.7
  },
  "luminance": 0.0335
}

Semantic roles & 50–950 ramp

primary

#0A393F

secondary

#7C3229

accent

#4D38EF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A393F

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

Preview Lab → · Contrast checker → · Palette generator →