#428E83#428E83

#428E83 is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.5% C 0.077 H 182.9°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#428E83
RGB	rgb(66, 142, 131)
HSL	hsl(171, 37%, 41%)
HSV	hsv(171, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 7.7%, 44.3%)
CIE-LAB	lab(54.18, -26.32, -1.31)
CIE-LCH	lch(54.18, 26.36, 182.84°)
OKLab	oklab(59.53% -0.0774 -0.0039)
OKLCH	oklch(59.53% 0.077 182.9)
XYZ	xyz(16.0147, 22.1415, 24.8981)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E83 #8E424D

analogous

#428E5D #428E83 #42738E

triadic

#428E83 #83428E #8E8342

tetradic

#428E83 #5D428E #8E424D #738E42

square

#428E83 #5D428E #8E424D #738E42

split-complementary

#428E83 #8E4273 #8E5D42

monochromatic

#1B3A36 #2F645C #428E83 #5BB3A6 #84C6BD

Accessibility & contrast

On white

3.87

#428E83 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#428E83 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E83

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E83	#FFFFFF	#000000	##000000
##428E83	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888783

Deuteranopia (green-blind)

#7C7E84

Tritanopia (blue-blind)

#14908B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #428e83;
/* rgb */ color: rgb(66, 142, 131);
/* oklch */ color: oklch(59.5% 0.077 182.9);

Tailwind

colors: {
  custom: {
    50: '#7dafa7',
    500: '#428e83',
    950: '#000000',
  },
}

SCSS

$custom: #428e83;
$custom-light: #7dafa7;
$custom-dark: #000000;

JSON

{
  "hex": "#428e83",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 131
  },
  "hsl": {
    "h": 171.316,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59531,
    "c": 0.07746,
    "h": 182.9
  },
  "luminance": 0.22143
}

Semantic roles & 50–950 ramp

primary

#428E83

secondary

#B17B83

accent

#5B6CCD

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A100F

muted

#7C7F7F

Preview Lab

Preview with #428E83

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

Preview Lab → · Contrast checker → · Palette generator →