#28403E#28403E

#28403E is a dark, muted teal. Relative luminance 0.045; OKLCH L 35.1% C 0.030 H 189.3°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#28403E
RGB	rgb(40, 64, 62)
HSL	hsl(175, 23%, 20%)
HSV	hsv(175, 38%, 25%)
CMYK	cmyk(37.5%, 0%, 3.1%, 74.9%)
CIE-LAB	lab(25.15, -9.82, -1.75)
CIE-LCH	lch(25.15, 9.97, 190.08°)
OKLab	oklab(35.11% -0.0296 -0.0048)
OKLCH	oklch(35.11% 0.03 189.3)
XYZ	xyz(3.5777, 4.4655, 5.2299)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28403E #40282A

analogous

#284032 #28403E #283640

triadic

#28403E #3E2840 #403E28

tetradic

#28403E #322840 #40282A #364028

square

#28403E #322840 #40282A #364028

split-complementary

#28403E #402836 #403228

monochromatic

#0C1312 #101A1A #28403E #406662 #578B87

Accessibility & contrast

On white

11.09

#28403E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#28403E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28403E

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28403E	#FFFFFF	#000000	##FFFFFF
##28403E	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3E3E

Deuteranopia (green-blind)

#393A3E

Tritanopia (blue-blind)

#20413F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28403e;
/* rgb */ color: rgb(40, 64, 62);
/* oklch */ color: oklch(35.1% 0.030 189.3);

Tailwind

colors: {
  custom: {
    50: '#637573',
    500: '#28403e',
    950: '#000000',
  },
}

SCSS

$custom: #28403e;
$custom-light: #637573;
$custom-dark: #000000;

JSON

{
  "hex": "#28403e",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 175,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.35111,
    "c": 0.03004,
    "h": 189.3
  },
  "luminance": 0.04466
}

Semantic roles & 50–950 ramp

primary

#28403E

secondary

#725255

accent

#6870C0

background

#F5F7F6

surface

#EAEDEC

border

#C6C8C7

text

#050808

muted

#797B7B

Preview Lab

Preview with #28403E

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

Preview Lab → · Contrast checker → · Palette generator →