#0A3239#0A3239

#0A3239 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.4% C 0.045 H 211.7°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#0A3239
RGB	rgb(10, 50, 57)
HSL	hsl(189, 70%, 13%)
HSV	hsv(189, 82%, 22%)
CMYK	cmyk(82.5%, 12.3%, 0%, 77.6%)
CIE-LAB	lab(18.54, -10.77, -8.41)
CIE-LCH	lch(18.54, 13.66, 218.00°)
OKLab	oklab(29.36% -0.0379 -0.0234)
OKLCH	oklch(29.36% 0.045 211.7)
XYZ	xyz(2.0040, 2.6409, 4.2742)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3239 #39110A

analogous

#0A3928 #0A3239 #0A1A39

triadic

#0A3239 #390A32 #32390A

tetradic

#0A3239 #280A39 #39110A #1A390A

square

#0A3239 #280A39 #39110A #1A390A

split-complementary

#0A3239 #390A1A #39280A

monochromatic

#05171A #05171A #0A3239 #13606D #1C8DA1

Accessibility & contrast

On white

13.74

#0A3239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0A3239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3239

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3239	#FFFFFF	#000000	##FFFFFF
##0A3239	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3039

Deuteranopia (green-blind)

#262B39

Tritanopia (blue-blind)

#003534

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a3239;
/* rgb */ color: rgb(10, 50, 57);
/* oklch */ color: oklch(29.4% 0.045 211.7);

Tailwind

colors: {
  custom: {
    50: '#526a6f',
    500: '#0a3239',
    950: '#000000',
  },
}

SCSS

$custom: #0a3239;
$custom-light: #526a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3239",
  "rgb": {
    "r": 10,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 188.936,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.29358,
    "c": 0.04451,
    "h": 211.7
  },
  "luminance": 0.02641
}

Semantic roles & 50–950 ramp

primary

#0A3239

secondary

#763428

accent

#553BED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A3239

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

Preview Lab → · Contrast checker → · Palette generator →