#428D8D#428D8D

#428D8D is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.6% C 0.074 H 195.3°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#428D8D
RGB	rgb(66, 141, 141)
HSL	hsl(180, 36%, 41%)
HSV	hsv(180, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 0%, 44.7%)
CIE-LAB	lab(54.16, -23.07, -7.10)
CIE-LCH	lch(54.16, 24.14, 197.11°)
OKLab	oklab(59.62% -0.0716 -0.0196)
OKLCH	oklch(59.62% 0.074 195.3)
XYZ	xyz(16.5774, 22.1295, 28.5920)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D8D #8D4242

analogous

#428D67 #428D8D #42678D

triadic

#428D8D #8D428D #8D8D42

tetradic

#428D8D #67428D #8D4242 #678D42

square

#428D8D #67428D #8D4242 #678D42

split-complementary

#428D8D #8D4267 #8D6742

monochromatic

#1B3A3A #2E6363 #428D8D #5AB2B2 #84C5C5

Accessibility & contrast

On white

3.87

#428D8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#428D8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D8D

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D8D	#FFFFFF	#000000	##000000
##428D8D	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85878D

Deuteranopia (green-blind)

#787E8E

Tritanopia (blue-blind)

#01918D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #428d8d;
/* rgb */ color: rgb(66, 141, 141);
/* oklch */ color: oklch(59.6% 0.074 195.3);

Tailwind

colors: {
  custom: {
    50: '#7eaeae',
    500: '#428d8d',
    950: '#000000',
  },
}

SCSS

$custom: #428d8d;
$custom-light: #7eaeae;
$custom-dark: #000000;

JSON

{
  "hex": "#428d8d",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 141
  },
  "hsl": {
    "h": 180,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5962,
    "c": 0.07423,
    "h": 195.3
  },
  "luminance": 0.22131
}

Semantic roles & 50–950 ramp

primary

#428D8D

secondary

#B07B7B

accent

#5C5CCC

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428D8D

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

Preview Lab → · Contrast checker → · Palette generator →