#428C83#428C83

#428C83 is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.0% C 0.075 H 184.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#428C83
RGB	rgb(66, 140, 131)
HSL	hsl(173, 36%, 40%)
HSV	hsv(173, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 6.4%, 45.1%)
CIE-LAB	lab(53.55, -25.32, -2.23)
CIE-LCH	lch(53.55, 25.42, 185.03°)
OKLab	oklab(59.02% -0.075 -0.0064)
OKLCH	oklch(59.02% 0.075 184.9)
XYZ	xyz(15.7198, 21.5517, 24.7998)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C83 #8C424B

analogous

#428C5E #428C83 #42708C

triadic

#428C83 #83428C #8C8342

tetradic

#428C83 #5E428C #8C424B #708C42

square

#428C83 #5E428C #8C424B #708C42

split-complementary

#428C83 #8C4270 #8C5E42

monochromatic

#1B3935 #2E625C #428C83 #5AB1A7 #84C5BD

Accessibility & contrast

On white

3.95

#428C83 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#428C83 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C83

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C83	#FFFFFF	#000000	##000000
##428C83	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868583

Deuteranopia (green-blind)

#7A7C84

Tritanopia (blue-blind)

#158F89

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #428c83;
/* rgb */ color: rgb(66, 140, 131);
/* oklch */ color: oklch(59.0% 0.075 184.9);

Tailwind

colors: {
  custom: {
    50: '#7daea7',
    500: '#428c83',
    950: '#000000',
  },
}

SCSS

$custom: #428c83;
$custom-light: #7daea7;
$custom-dark: #000000;

JSON

{
  "hex": "#428c83",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 131
  },
  "hsl": {
    "h": 172.703,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59022,
    "c": 0.07526,
    "h": 184.9
  },
  "luminance": 0.21553
}

Semantic roles & 50–950 ramp

primary

#428C83

secondary

#B07A81

accent

#5C69CC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A100F

muted

#7C7F7F

Preview Lab

Preview with #428C83

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

Preview Lab → · Contrast checker → · Palette generator →