#0B281F#0B281F

#0B281F is a dark, muted teal. Relative luminance 0.017; OKLCH L 25.2% C 0.039 H 169.8°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#0B281F
RGB	rgb(11, 40, 31)
HSL	hsl(161, 57%, 10%)
HSV	hsv(161, 73%, 16%)
CMYK	cmyk(72.5%, 0%, 22.5%, 84.3%)
CIE-LAB	lab(13.75, -13.66, 2.71)
CIE-LCH	lch(13.75, 13.93, 168.79°)
OKLab	oklab(25.16% -0.0384 0.0069)
OKLCH	oklch(25.16% 0.039 169.8)
XYZ	xyz(1.1440, 1.6875, 1.5615)
Luminance	0.0169 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B281F #280B14

analogous

#0B2810 #0B281F #0B2328

triadic

#0B281F #1F0B28 #281F0B

tetradic

#0B281F #100B28 #280B14 #23280B

square

#0B281F #100B28 #280B14 #23280B

split-complementary

#0B281F #280B23 #28100B

monochromatic

#071813 #071813 #0B281F #185844 #258869

Accessibility & contrast

On white

15.70

#0B281F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0B281F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B281F

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B281F	#FFFFFF	#000000	##FFFFFF
##0B281F	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251F

Deuteranopia (green-blind)

#222220

Tritanopia (blue-blind)

#002825

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0b281f;
/* rgb */ color: rgb(11, 40, 31);
/* oklch */ color: oklch(25.2% 0.039 169.8);

Tailwind

colors: {
  custom: {
    50: '#4d625a',
    500: '#0b281f',
    950: '#000000',
  },
}

SCSS

$custom: #0b281f;
$custom-light: #4d625a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b281f",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 31
  },
  "hsl": {
    "h": 161.379,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.25161,
    "c": 0.03898,
    "h": 169.8
  },
  "luminance": 0.01688
}

Semantic roles & 50–950 ramp

primary

#0B281F

secondary

#642B3D

accent

#4877E0

background

#F4F5F5

surface

#E7EAE9

border

#C3C6C5

text

#010503

muted

#777978

Preview Lab

Preview with #0B281F

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

Preview Lab → · Contrast checker → · Palette generator →