#428383#428383

#428383 is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.7% C 0.067 H 195.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#428383
RGB	rgb(66, 131, 131)
HSL	hsl(180, 33%, 39%)
HSV	hsv(180, 50%, 51%)
CMYK	cmyk(49.6%, 0%, 0%, 48.6%)
CIE-LAB	lab(50.72, -20.68, -6.41)
CIE-LCH	lch(50.72, 21.65, 197.22°)
OKLab	oklab(56.74% -0.0641 -0.0177)
OKLCH	oklch(56.74% 0.067 195.4)
XYZ	xyz(14.4581, 19.0283, 24.3792)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428383 #834242

analogous

#428362 #428383 #426283

triadic

#428383 #834283 #838342

tetradic

#428383 #624283 #834242 #628342

square

#428383 #624283 #834242 #628342

split-complementary

#428383 #834262 #836242

monochromatic

#193232 #2D5A5A #428383 #58ABAB #80BFBF

Accessibility & contrast

On white

4.37

#428383 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#428383 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428383

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428383	#FFFFFF	#000000	##000000
##428383	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7E83

Deuteranopia (green-blind)

#717584

Tritanopia (blue-blind)

#1A8783

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #428383;
/* rgb */ color: rgb(66, 131, 131);
/* oklch */ color: oklch(56.7% 0.067 195.4);

Tailwind

colors: {
  custom: {
    50: '#7ca7a7',
    500: '#428383',
    950: '#000000',
  },
}

SCSS

$custom: #428383;
$custom-light: #7ca7a7;
$custom-dark: #000000;

JSON

{
  "hex": "#428383",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 131
  },
  "hsl": {
    "h": 180,
    "s": 32.995,
    "l": 38.627
  },
  "oklch": {
    "l": 0.56741,
    "c": 0.06654,
    "h": 195.4
  },
  "luminance": 0.1903
}

Semantic roles & 50–950 ramp

primary

#428383

secondary

#AA7777

accent

#5F5FC9

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F0F

muted

#7C7F7F

Preview Lab

Preview with #428383

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

Preview Lab → · Contrast checker → · Palette generator →