#04281B#04281B

#04281B is a very dark, muted teal. Relative luminance 0.016; OKLCH L 24.7% C 0.048 H 164.7°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#04281B
RGB	rgb(4, 40, 27)
HSL	hsl(158, 82%, 9%)
HSV	hsv(158, 90%, 16%)
CMYK	cmyk(90%, 0%, 32.5%, 84.3%)
CIE-LAB	lab(13.37, -16.78, 4.96)
CIE-LCH	lch(13.37, 17.49, 163.54°)
OKLab	oklab(24.73% -0.0461 0.0127)
OKLCH	oklch(24.73% 0.048 164.7)
XYZ	xyz(1.0066, 1.6224, 1.2968)
Luminance	0.0162 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04281B #280411

analogous

#042809 #04281B #042328

triadic

#04281B #1B0428 #281B04

tetradic

#04281B #090428 #280411 #232804

square

#04281B #090428 #280411 #232804

split-complementary

#04281B #280423 #280904

monochromatic

#031C13 #031C13 #04281B #0A6041 #0F9766

Accessibility & contrast

On white

15.85

#04281B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#04281B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04281B

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04281B	#FFFFFF	#000000	##FFFFFF
##04281B	1.00	15.85	1.32	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241A

Deuteranopia (green-blind)

#22211C

Tritanopia (blue-blind)

#002824

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #04281b;
/* rgb */ color: rgb(4, 40, 27);
/* oklch */ color: oklch(24.7% 0.048 164.7);

Tailwind

colors: {
  custom: {
    50: '#4a6257',
    500: '#04281b',
    950: '#000000',
  },
}

SCSS

$custom: #04281b;
$custom-light: #4a6257;
$custom-dark: #000000;

JSON

{
  "hex": "#04281b",
  "rgb": {
    "r": 4,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 158.333,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.24728,
    "c": 0.04781,
    "h": 164.7
  },
  "luminance": 0.01623
}

Semantic roles & 50–950 ramp

primary

#04281B

secondary

#6B1D39

accent

#3078F8

background

#F4F5F5

surface

#E7EAE9

border

#C3C6C5

text

#010503

muted

#777978

Preview Lab

Preview with #04281B

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

Preview Lab → · Contrast checker → · Palette generator →