#0A2828#0A2828

#0A2828 is a dark, muted teal. Relative luminance 0.017; OKLCH L 25.5% C 0.035 H 195.2°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#0A2828
RGB	rgb(10, 40, 40)
HSL	hsl(180, 60%, 10%)
HSV	hsv(180, 75%, 16%)
CMYK	cmyk(75%, 0%, 0%, 84.3%)
CIE-LAB	lab(14.03, -10.90, -3.31)
CIE-LCH	lch(14.03, 11.39, 196.89°)
OKLab	oklab(25.48% -0.0338 -0.0092)
OKLCH	oklch(25.48% 0.035 195.2)
XYZ	xyz(1.2668, 1.7352, 2.2752)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2828 #280A0A

analogous

#0A2819 #0A2828 #0A1928

triadic

#0A2828 #280A28 #28280A

tetradic

#0A2828 #190A28 #280A0A #19280A

square

#0A2828 #190A28 #280A0A #19280A

split-complementary

#0A2828 #280A19 #28190A

monochromatic

#061818 #061818 #0A2828 #165959 #228A8A

Accessibility & contrast

On white

15.59

#0A2828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0A2828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2828

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2828	#FFFFFF	#000000	##FFFFFF
##0A2828	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252628

Deuteranopia (green-blind)

#202228

Tritanopia (blue-blind)

#002928

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0a2828;
/* rgb */ color: rgb(10, 40, 40);
/* oklch */ color: oklch(25.5% 0.035 195.2);

Tailwind

colors: {
  custom: {
    50: '#4e6261',
    500: '#0a2828',
    950: '#000000',
  },
}

SCSS

$custom: #0a2828;
$custom-light: #4e6261;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2828",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 40
  },
  "hsl": {
    "h": 180,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.2548,
    "c": 0.03505,
    "h": 195.2
  },
  "luminance": 0.01735
}

Semantic roles & 50–950 ramp

primary

#0A2828

secondary

#652929

accent

#4545E3

background

#F4F5F5

surface

#E7EAE9

border

#C3C6C5

text

#020505

muted

#787979

Preview Lab

Preview with #0A2828

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

Preview Lab → · Contrast checker → · Palette generator →