#0A282B#0A282B

#0A282B is a dark, muted teal. Relative luminance 0.018; OKLCH L 25.6% C 0.035 H 204.4°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A282B
RGB	rgb(10, 40, 43)
HSL	hsl(185, 62%, 10%)
HSV	hsv(185, 77%, 17%)
CMYK	cmyk(76.7%, 7%, 0%, 83.1%)
CIE-LAB	lab(14.15, -9.79, -5.27)
CIE-LCH	lch(14.15, 11.12, 208.27°)
OKLab	oklab(25.62% -0.0322 -0.0146)
OKLCH	oklch(25.62% 0.035 204.4)
XYZ	xyz(1.3198, 1.7564, 2.5545)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A282B #2B0D0A

analogous

#0A2B1D #0A282B #0A172B

triadic

#0A282B #2B0A28 #282B0A

tetradic

#0A282B #1D0A2B #2B0D0A #172B0A

square

#0A282B #1D0A2B #2B0D0A #172B0A

split-complementary

#0A282B #2B0A17 #2B1D0A

monochromatic

#061719 #061719 #0A282B #16565D #21848E

Accessibility & contrast

On white

15.54

#0A282B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0A282B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A282B

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A282B	#FFFFFF	#000000	##FFFFFF
##0A282B	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24262B

Deuteranopia (green-blind)

#1F222B

Tritanopia (blue-blind)

#002A29

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0a282b;
/* rgb */ color: rgb(10, 40, 43);
/* oklch */ color: oklch(25.6% 0.035 204.4);

Tailwind

colors: {
  custom: {
    50: '#4e6264',
    500: '#0a282b',
    950: '#000000',
  },
}

SCSS

$custom: #0a282b;
$custom-light: #4e6264;
$custom-dark: #000000;

JSON

{
  "hex": "#0a282b",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 43
  },
  "hsl": {
    "h": 185.455,
    "s": 62.264,
    "l": 10.392
  },
  "oklch": {
    "l": 0.25619,
    "c": 0.03532,
    "h": 204.4
  },
  "luminance": 0.01757
}

Semantic roles & 50–950 ramp

primary

#0A282B

secondary

#682F29

accent

#5142E5

background

#F4F5F5

surface

#E7EAEA

border

#C3C6C6

text

#020505

muted

#787979

Preview Lab

Preview with #0A282B

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

Preview Lab → · Contrast checker → · Palette generator →