#428587#428587

#428587 is a mid, moderate teal. Relative luminance 0.197; OKLCH L 57.4% C 0.068 H 198.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#428587
RGB	rgb(66, 133, 135)
HSL	hsl(182, 34%, 39%)
HSV	hsv(182, 51%, 53%)
CMYK	cmyk(51.1%, 1.5%, 0%, 47.1%)
CIE-LAB	lab(51.47, -20.60, -7.62)
CIE-LCH	lch(51.47, 21.97, 200.31°)
OKLab	oklab(57.39% -0.0648 -0.021)
OKLCH	oklch(57.39% 0.068 198)
XYZ	xyz(15.0057, 19.6812, 25.9251)
Luminance	0.1968 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428587 #874442

analogous

#428767 #428587 #426387

triadic

#428587 #874285 #858742

tetradic

#428587 #674287 #874442 #638742

square

#428587 #674287 #874442 #638742

split-complementary

#428587 #874263 #876742

monochromatic

#1A3435 #2E5D5E #428587 #59ABAE #82C0C2

Accessibility & contrast

On white

4.25

#428587 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#428587 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428587

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428587	#FFFFFF	#000000	##000000
##428587	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8087

Deuteranopia (green-blind)

#717787

Tritanopia (blue-blind)

#148985

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428587;
/* rgb */ color: rgb(66, 133, 135);
/* oklch */ color: oklch(57.4% 0.068 198.0);

Tailwind

colors: {
  custom: {
    50: '#7ca8a9',
    500: '#428587',
    950: '#000000',
  },
}

SCSS

$custom: #428587;
$custom-light: #7ca8a9;
$custom-dark: #000000;

JSON

{
  "hex": "#428587",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 135
  },
  "hsl": {
    "h": 181.739,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.5739,
    "c": 0.0681,
    "h": 198
  },
  "luminance": 0.19683
}

Semantic roles & 50–950 ramp

primary

#428587

secondary

#AC7A78

accent

#615DCA

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #428587

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

Preview Lab → · Contrast checker → · Palette generator →