#0B281C#0B281C

#0B281C is a dark, muted teal. Relative luminance 0.017; OKLCH L 25.1% C 0.042 H 163.3°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#0B281C
RGB	rgb(11, 40, 28)
HSL	hsl(155, 57%, 10%)
HSV	hsv(155, 73%, 16%)
CMYK	cmyk(72.5%, 0%, 30%, 84.3%)
CIE-LAB	lab(13.67, -14.55, 4.71)
CIE-LCH	lch(13.67, 15.30, 162.07°)
OKLab	oklab(25.06% -0.0402 0.0121)
OKLCH	oklch(25.06% 0.042 163.3)
XYZ	xyz(1.1063, 1.6725, 1.3629)
Luminance	0.0167 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B281C #280B17

analogous

#0B280D #0B281C #0B2628

triadic

#0B281C #1C0B28 #281C0B

tetradic

#0B281C #0D0B28 #280B17 #26280B

square

#0B281C #0D0B28 #280B17 #26280B

split-complementary

#0B281C #280B26 #280D0B

monochromatic

#071811 #071811 #0B281C #18583E #25885F

Accessibility & contrast

On white

15.74

#0B281C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0B281C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B281C

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B281C	#FFFFFF	#000000	##FFFFFF
##0B281C	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251B

Deuteranopia (green-blind)

#23221D

Tritanopia (blue-blind)

#022825

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0b281c;
/* rgb */ color: rgb(11, 40, 28);
/* oklch */ color: oklch(25.1% 0.042 163.3);

Tailwind

colors: {
  custom: {
    50: '#4d6258',
    500: '#0b281c',
    950: '#000000',
  },
}

SCSS

$custom: #0b281c;
$custom-light: #4d6258;
$custom-dark: #000000;

JSON

{
  "hex": "#0b281c",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 28
  },
  "hsl": {
    "h": 155.172,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.25059,
    "c": 0.04195,
    "h": 163.3
  },
  "luminance": 0.01673
}

Semantic roles & 50–950 ramp

primary

#0B281C

secondary

#642B43

accent

#4887E0

background

#F4F5F5

surface

#E7EAE9

border

#C3C6C5

text

#010503

muted

#777978

Preview Lab

Preview with #0B281C

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

Preview Lab → · Contrast checker → · Palette generator →