#28474B#28474B

#28474B is a dark, muted teal. Relative luminance 0.055; OKLCH L 37.6% C 0.037 H 206.2°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#28474B
RGB	rgb(40, 71, 75)
HSL	hsl(187, 30%, 23%)
HSV	hsv(187, 47%, 29%)
CMYK	cmyk(46.7%, 5.3%, 0%, 70.6%)
CIE-LAB	lab(28.02, -10.24, -6.01)
CIE-LCH	lch(28.02, 11.88, 210.38°)
OKLab	oklab(37.56% -0.0335 -0.0165)
OKLCH	oklch(37.56% 0.037 206.2)
XYZ	xyz(4.3978, 5.4653, 7.4784)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28474B #4B2C28

analogous

#284B3D #28474B #28364B

triadic

#28474B #4B2847 #474B28

tetradic

#28474B #3D284B #4B2C28 #364B28

square

#28474B #3D284B #4B2C28 #364B28

split-complementary

#28474B #4B2836 #4B3D28

monochromatic

#0B1314 #132123 #28474B #3D6D73 #53939B

Accessibility & contrast

On white

10.03

#28474B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#28474B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28474B

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28474B	#FFFFFF	#000000	##FFFFFF
##28474B	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42454B

Deuteranopia (green-blind)

#3D404B

Tritanopia (blue-blind)

#184948

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28474b;
/* rgb */ color: rgb(40, 71, 75);
/* oklch */ color: oklch(37.6% 0.037 206.2);

Tailwind

colors: {
  custom: {
    50: '#647a7d',
    500: '#28474b',
    950: '#000000',
  },
}

SCSS

$custom: #28474b;
$custom-light: #647a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#28474b",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 75
  },
  "hsl": {
    "h": 186.857,
    "s": 30.435,
    "l": 22.549
  },
  "oklch": {
    "l": 0.37557,
    "c": 0.03737,
    "h": 206.2
  },
  "luminance": 0.05466
}

Semantic roles & 50–950 ramp

primary

#28474B

secondary

#7D5651

accent

#6D61C7

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#050909

muted

#7A7B7B

Preview Lab

Preview with #28474B

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

Preview Lab → · Contrast checker → · Palette generator →