#00281B#00281B

#00281B is a very dark, muted teal. Relative luminance 0.016; OKLCH L 24.6% C 0.051 H 166.3°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#00281B
RGB	rgb(0, 40, 27)
HSL	hsl(161, 100%, 8%)
HSV	hsv(161, 100%, 16%)
CMYK	cmyk(100%, 0%, 32.5%, 84.3%)
CIE-LAB	lab(13.21, -17.95, 4.71)
CIE-LCH	lch(13.21, 18.56, 165.29°)
OKLab	oklab(24.55% -0.0493 0.012)
OKLCH	oklch(24.55% 0.051 166.3)
XYZ	xyz(0.9565, 1.5966, 1.2945)
Luminance	0.0160 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00281B #28000D

analogous

#002807 #00281B #002128

triadic

#00281B #1B0028 #281B00

tetradic

#00281B #070028 #28000D #212800

square

#00281B #070028 #28000D #212800

split-complementary

#00281B #280021 #280700

monochromatic

#001F15 #001F15 #00281B #006544 #00A26E

Accessibility & contrast

On white

15.92

#00281B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#00281B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00281B

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00281B	#FFFFFF	#000000	##FFFFFF
##00281B	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241A

Deuteranopia (green-blind)

#22201C

Tritanopia (blue-blind)

#002824

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #00281b;
/* rgb */ color: rgb(0, 40, 27);
/* oklch */ color: oklch(24.6% 0.051 166.3);

Tailwind

colors: {
  custom: {
    50: '#486257',
    500: '#00281b',
    950: '#000000',
  },
}

SCSS

$custom: #00281b;
$custom-light: #486257;
$custom-dark: #000000;

JSON

{
  "hex": "#00281b",
  "rgb": {
    "r": 0,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 160.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.24554,
    "c": 0.05077,
    "h": 166.3
  },
  "luminance": 0.01597
}

Semantic roles & 50–950 ramp

primary

#00281B

secondary

#701432

accent

#296EFF

background

#F4F5F5

surface

#E7EAE9

border

#C3C6C5

text

#010503

muted

#777978

Preview Lab

Preview with #00281B

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

Preview Lab → · Contrast checker → · Palette generator →