#428583#428583

#428583 is a mid, moderate teal. Relative luminance 0.196; OKLCH L 57.2% C 0.068 H 192.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#428583
RGB	rgb(66, 133, 131)
HSL	hsl(178, 34%, 39%)
HSV	hsv(178, 50%, 52%)
CMYK	cmyk(50.4%, 0%, 1.5%, 47.8%)
CIE-LAB	lab(51.35, -21.73, -5.48)
CIE-LCH	lch(51.35, 22.41, 194.15°)
OKLab	oklab(57.25% -0.0666 -0.0152)
OKLCH	oklch(57.25% 0.068 192.8)
XYZ	xyz(14.7294, 19.5707, 24.4696)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428583 #854244

analogous

#428562 #428583 #426685

triadic

#428583 #834285 #858342

tetradic

#428583 #624285 #854244 #668542

square

#428583 #624285 #854244 #668542

split-complementary

#428583 #854266 #856242

monochromatic

#193332 #2E5C5B #428583 #58ACAA #81C0BF

Accessibility & contrast

On white

4.27

#428583 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#428583 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428583

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428583	#FFFFFF	#000000	##000000
##428583	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7F83

Deuteranopia (green-blind)

#737784

Tritanopia (blue-blind)

#198884

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428583;
/* rgb */ color: rgb(66, 133, 131);
/* oklch */ color: oklch(57.2% 0.068 192.8);

Tailwind

colors: {
  custom: {
    50: '#7ca8a7',
    500: '#428583',
    950: '#000000',
  },
}

SCSS

$custom: #428583;
$custom-light: #7ca8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#428583",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 131
  },
  "hsl": {
    "h": 178.209,
    "s": 33.668,
    "l": 39.02
  },
  "oklch": {
    "l": 0.57247,
    "c": 0.06828,
    "h": 192.8
  },
  "luminance": 0.19572
}

Semantic roles & 50–950 ramp

primary

#428583

secondary

#AB7879

accent

#5E61CA

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F0F

muted

#7C7F7F

Preview Lab

Preview with #428583

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

Preview Lab → · Contrast checker → · Palette generator →