#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
RGBrgb(40, 71, 75)
HSLhsl(187, 30%, 23%)
HSVhsv(187, 47%, 29%)
CMYKcmyk(46.7%, 5.3%, 0%, 70.6%)
CIE-LABlab(28.02, -10.24, -6.01)
CIE-LCHlch(28.02, 11.88, 210.38°)
OKLaboklab(37.56% -0.0335 -0.0165)
OKLCHoklch(37.56% 0.037 206.2)
XYZxyz(4.3978, 5.4653, 7.4784)
Luminance0.0547 (WCAG relative)
Temperaturecool
Familyteal

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
##28474B1.0010.032.0910.03
#FFFFFF10.031.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.031.0021.001.00

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 →

#28474B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva