#428E90#428E90

#428E90 is a mid, moderate teal. Relative luminance 0.225; OKLCH L 60.0% C 0.075 H 197.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#428E90
RGB	rgb(66, 142, 144)
HSL	hsl(182, 37%, 41%)
HSV	hsv(182, 54%, 56%)
CMYK	cmyk(54.2%, 1.4%, 0%, 43.5%)
CIE-LAB	lab(54.57, -22.74, -8.23)
CIE-LCH	lch(54.57, 24.18, 199.89°)
OKLab	oklab(59.98% -0.0714 -0.0227)
OKLCH	oklch(59.98% 0.075 197.7)
XYZ	xyz(16.9517, 22.5163, 29.8329)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E90 #904442

analogous

#42906B #428E90 #426790

triadic

#428E90 #90428E #8E9042

tetradic

#428E90 #6B4290 #904442 #679042

square

#428E90 #6B4290 #904442 #679042

split-complementary

#428E90 #904267 #906B42

monochromatic

#1C3B3C #2F6566 #428E90 #5BB2B4 #85C5C7

Accessibility & contrast

On white

3.82

#428E90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#428E90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E90

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E90	#FFFFFF	#000000	##000000
##428E90	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858890

Deuteranopia (green-blind)

#787E91

Tritanopia (blue-blind)

#00928E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #428e90;
/* rgb */ color: rgb(66, 142, 144);
/* oklch */ color: oklch(60.0% 0.075 197.7);

Tailwind

colors: {
  custom: {
    50: '#7eafb0',
    500: '#428e90',
    950: '#000000',
  },
}

SCSS

$custom: #428e90;
$custom-light: #7eafb0;
$custom-dark: #000000;

JSON

{
  "hex": "#428e90",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 144
  },
  "hsl": {
    "h": 181.538,
    "s": 37.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.59979,
    "c": 0.07494,
    "h": 197.7
  },
  "luminance": 0.22518
}

Semantic roles & 50–950 ramp

primary

#428E90

secondary

#B27D7C

accent

#5E5BCD

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428E90

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

Preview Lab → · Contrast checker → · Palette generator →