#28403C#28403C

#28403C is a dark, muted teal. Relative luminance 0.044; OKLCH L 35.0% C 0.031 H 182.9°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#28403C
RGB	rgb(40, 64, 60)
HSL	hsl(170, 23%, 20%)
HSV	hsv(170, 38%, 25%)
CMYK	cmyk(37.5%, 0%, 6.2%, 74.9%)
CIE-LAB	lab(25.09, -10.38, -0.52)
CIE-LCH	lch(25.09, 10.39, 182.87°)
OKLab	oklab(35.04% -0.0307 -0.0016)
OKLCH	oklch(35.04% 0.031 182.9)
XYZ	xyz(3.5238, 4.4439, 4.9462)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28403C #40282C

analogous

#284030 #28403C #283840

triadic

#28403C #3C2840 #403C28

tetradic

#28403C #302840 #40282C #384028

square

#28403C #302840 #40282C #384028

split-complementary

#28403C #402838 #403028

monochromatic

#0C1312 #101A19 #28403C #40665F #578B83

Accessibility & contrast

On white

11.12

#28403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#28403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28403C

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28403C	#FFFFFF	#000000	##FFFFFF
##28403C	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D3C

Deuteranopia (green-blind)

#3A3A3C

Tritanopia (blue-blind)

#20413F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28403c;
/* rgb */ color: rgb(40, 64, 60);
/* oklch */ color: oklch(35.0% 0.031 182.9);

Tailwind

colors: {
  custom: {
    50: '#637571',
    500: '#28403c',
    950: '#000000',
  },
}

SCSS

$custom: #28403c;
$custom-light: #637571;
$custom-dark: #000000;

JSON

{
  "hex": "#28403c",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 170,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.35036,
    "c": 0.03071,
    "h": 182.9
  },
  "luminance": 0.04444
}

Semantic roles & 50–950 ramp

primary

#28403C

secondary

#725257

accent

#6877C0

background

#F5F7F6

surface

#EAEDEC

border

#C6C8C7

text

#050807

muted

#797B7A

Preview Lab

Preview with #28403C

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

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