#04271B#04271B

#04271B is a very dark, muted teal. Relative luminance 0.016; OKLCH L 24.4% C 0.046 H 166.0°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#04271B
RGB	rgb(4, 39, 27)
HSL	hsl(159, 81%, 8%)
HSV	hsv(159, 90%, 15%)
CMYK	cmyk(89.7%, 0%, 30.8%, 84.7%)
CIE-LAB	lab(12.96, -16.25, 4.39)
CIE-LCH	lch(12.96, 16.83, 164.89°)
OKLab	oklab(24.39% -0.0448 0.0112)
OKLCH	oklch(24.39% 0.046 166)
XYZ	xyz(0.9733, 1.5559, 1.2857)
Luminance	0.0156 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04271B #270410

analogous

#042709 #04271B #042127

triadic

#04271B #1B0427 #271B04

tetradic

#04271B #090427 #270410 #212704

square

#04271B #090427 #270410 #212704

split-complementary

#04271B #270421 #270904

monochromatic

#031C13 #031C13 #04271B #0A5F41 #0F9668

Accessibility & contrast

On white

16.02

#04271B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#04271B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04271B

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04271B	#FFFFFF	#000000	##FFFFFF
##04271B	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26231A

Deuteranopia (green-blind)

#21201C

Tritanopia (blue-blind)

#002724

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #04271b;
/* rgb */ color: rgb(4, 39, 27);
/* oklch */ color: oklch(24.4% 0.046 166.0);

Tailwind

colors: {
  custom: {
    50: '#496157',
    500: '#04271b',
    950: '#000000',
  },
}

SCSS

$custom: #04271b;
$custom-light: #496157;
$custom-dark: #000000;

JSON

{
  "hex": "#04271b",
  "rgb": {
    "r": 4,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 159.429,
    "s": 81.395,
    "l": 8.431
  },
  "oklch": {
    "l": 0.24394,
    "c": 0.04619,
    "h": 166
  },
  "luminance": 0.01556
}

Semantic roles & 50–950 ramp

primary

#04271B

secondary

#6A1D37

accent

#3075F8

background

#F4F5F5

surface

#E7EAE9

border

#C3C6C5

text

#010503

muted

#777978

Preview Lab

Preview with #04271B

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

Preview Lab → · Contrast checker → · Palette generator →