#428F8A#428F8A

#428F8A is a mid, moderate teal. Relative luminance 0.226; OKLCH L 60.0% C 0.076 H 189.6°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#428F8A
RGB	rgb(66, 143, 138)
HSL	hsl(176, 37%, 41%)
HSV	hsv(176, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 3.5%, 43.9%)
CIE-LAB	lab(54.70, -24.93, -4.58)
CIE-LCH	lch(54.70, 25.35, 190.41°)
OKLab	oklab(60.02% -0.0753 -0.0128)
OKLCH	oklch(60.02% 0.076 189.6)
XYZ	xyz(16.6547, 22.6366, 27.5314)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F8A #8F4247

analogous

#428F63 #428F8A #426D8F

triadic

#428F8A #8A428F #8F8A42

tetradic

#428F8A #63428F #8F4247 #6D8F42

square

#428F8A #63428F #8F4247 #6D8F42

split-complementary

#428F8A #8F426D #8F6342

monochromatic

#1B3B39 #2F6562 #428F8A #5BB3AE #85C7C2

Accessibility & contrast

On white

3.80

#428F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#428F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F8A

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F8A	#FFFFFF	#000000	##000000
##428F8A	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88888A

Deuteranopia (green-blind)

#7B7F8B

Tritanopia (blue-blind)

#06928D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #428f8a;
/* rgb */ color: rgb(66, 143, 138);
/* oklch */ color: oklch(60.0% 0.076 189.6);

Tailwind

colors: {
  custom: {
    50: '#7eb0ac',
    500: '#428f8a',
    950: '#000000',
  },
}

SCSS

$custom: #428f8a;
$custom-light: #7eb0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#428f8a",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 138
  },
  "hsl": {
    "h": 176.104,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.60019,
    "c": 0.07637,
    "h": 189.6
  },
  "luminance": 0.22638
}

Semantic roles & 50–950 ramp

primary

#428F8A

secondary

#B17B7F

accent

#5B62CD

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428F8A

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

Preview Lab → · Contrast checker → · Palette generator →