#0A302B#0A302B

#0A302B is a dark, muted teal. Relative luminance 0.024; OKLCH L 28.1% C 0.043 H 182.8°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#0A302B
RGB	rgb(10, 48, 43)
HSL	hsl(172, 66%, 11%)
HSV	hsv(172, 79%, 19%)
CMYK	cmyk(79.2%, 0%, 10.4%, 81.2%)
CIE-LAB	lab(17.24, -14.65, -0.68)
CIE-LCH	lch(17.24, 14.66, 182.66°)
OKLab	oklab(28.12% -0.0429 -0.0021)
OKLCH	oklch(28.12% 0.043 182.8)
XYZ	xyz(1.6180, 2.3527, 2.6539)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A302B #300A0F

analogous

#0A3018 #0A302B #0A2230

triadic

#0A302B #2B0A30 #302B0A

tetradic

#0A302B #180A30 #300A0F #22300A

square

#0A302B #180A30 #300A0F #22300A

split-complementary

#0A302B #300A22 #30180A

monochromatic

#051917 #051917 #0A302B #156358 #1F9586

Accessibility & contrast

On white

14.28

#0A302B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0A302B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A302B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A302B	#FFFFFF	#000000	##FFFFFF
##0A302B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2D2B

Deuteranopia (green-blind)

#28292B

Tritanopia (blue-blind)

#00312E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0a302b;
/* rgb */ color: rgb(10, 48, 43);
/* oklch */ color: oklch(28.1% 0.043 182.8);

Tailwind

colors: {
  custom: {
    50: '#4f6864',
    500: '#0a302b',
    950: '#000000',
  },
}

SCSS

$custom: #0a302b;
$custom-light: #4f6864;
$custom-dark: #000000;

JSON

{
  "hex": "#0a302b",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 172.105,
    "s": 65.517,
    "l": 11.373
  },
  "oklch": {
    "l": 0.28119,
    "c": 0.04294,
    "h": 182.8
  },
  "luminance": 0.02353
}

Semantic roles & 50–950 ramp

primary

#0A302B

secondary

#6D2932

accent

#3F56E8

background

#F4F6F5

surface

#E7EBEA

border

#C3C6C6

text

#020605

muted

#787A79

Preview Lab

Preview with #0A302B

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

Preview Lab → · Contrast checker → · Palette generator →