#28403A#28403A

#28403A is a dark, muted teal. Relative luminance 0.044; OKLCH L 35.0% C 0.032 H 176.9°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#28403A
RGB	rgb(40, 64, 58)
HSL	hsl(165, 23%, 20%)
HSV	hsv(165, 38%, 25%)
CMYK	cmyk(37.5%, 0%, 9.4%, 74.9%)
CIE-LAB	lab(25.02, -10.93, 0.71)
CIE-LCH	lch(25.02, 10.95, 176.29°)
OKLab	oklab(34.96% -0.0317 0.0017)
OKLCH	oklch(34.96% 0.032 176.9)
XYZ	xyz(3.4719, 4.4232, 4.6730)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28403A #40282E

analogous

#28402E #28403A #283A40

triadic

#28403A #3A2840 #403A28

tetradic

#28403A #2E2840 #40282E #3A4028

square

#28403A #2E2840 #40282E #3A4028

split-complementary

#28403A #40283A #402E28

monochromatic

#0C1311 #101A18 #28403A #40665C #578B7E

Accessibility & contrast

On white

11.14

#28403A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#28403A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28403A

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28403A	#FFFFFF	#000000	##FFFFFF
##28403A	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D3A

Deuteranopia (green-blind)

#3A3A3A

Tritanopia (blue-blind)

#21413E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28403a;
/* rgb */ color: rgb(40, 64, 58);
/* oklch */ color: oklch(35.0% 0.032 176.9);

Tailwind

colors: {
  custom: {
    50: '#637570',
    500: '#28403a',
    950: '#000000',
  },
}

SCSS

$custom: #28403a;
$custom-light: #637570;
$custom-dark: #000000;

JSON

{
  "hex": "#28403a",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 165,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34963,
    "c": 0.03176,
    "h": 176.9
  },
  "luminance": 0.04423
}

Semantic roles & 50–950 ramp

primary

#28403A

secondary

#72525A

accent

#687EC0

background

#F5F7F6

surface

#EAEDEC

border

#C6C8C7

text

#050807

muted

#797B7A

Preview Lab

Preview with #28403A

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

Preview Lab → · Contrast checker → · Palette generator →