#428F83#428F83

#428F83 is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.079 H 182.0°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#428F83
RGB	rgb(66, 143, 131)
HSL	hsl(171, 37%, 41%)
HSV	hsv(171, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 8.4%, 43.9%)
CIE-LAB	lab(54.49, -26.82, -0.85)
CIE-LCH	lch(54.49, 26.84, 181.81°)
OKLab	oklab(59.79% -0.0785 -0.0027)
OKLCH	oklch(59.79% 0.079 182)
XYZ	xyz(16.1642, 22.4404, 24.9479)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F83 #8F424E

analogous

#428F5C #428F83 #42748F

triadic

#428F83 #83428F #8F8342

tetradic

#428F83 #5C428F #8F424E #748F42

square

#428F83 #5C428F #8F424E #748F42

split-complementary

#428F83 #8F4274 #8F5C42

monochromatic

#1B3B36 #2F655D #428F83 #5BB3A6 #85C7BC

Accessibility & contrast

On white

3.83

#428F83 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#428F83 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F83

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F83	#FFFFFF	#000000	##000000
##428F83	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#898883

Deuteranopia (green-blind)

#7D7F84

Tritanopia (blue-blind)

#13918B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #428f83;
/* rgb */ color: rgb(66, 143, 131);
/* oklch */ color: oklch(59.8% 0.079 182.0);

Tailwind

colors: {
  custom: {
    50: '#7db0a7',
    500: '#428f83',
    950: '#000000',
  },
}

SCSS

$custom: #428f83;
$custom-light: #7db0a7;
$custom-dark: #000000;

JSON

{
  "hex": "#428f83",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 131
  },
  "hsl": {
    "h": 170.649,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.59785,
    "c": 0.07859,
    "h": 182
  },
  "luminance": 0.22442
}

Semantic roles & 50–950 ramp

primary

#428F83

secondary

#B17B84

accent

#5B6DCD

background

#F7FAFA

surface

#EEF5F4

border

#C9CFCE

text

#0A100F

muted

#7C7F7F

Preview Lab

Preview with #428F83

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

Preview Lab → · Contrast checker → · Palette generator →