#428C8D#428C8D

#428C8D is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.4% C 0.073 H 196.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#428C8D
RGB	rgb(66, 140, 141)
HSL	hsl(181, 36%, 41%)
HSV	hsv(181, 53%, 55%)
CMYK	cmyk(53.2%, 0.7%, 0%, 44.7%)
CIE-LAB	lab(53.85, -22.56, -7.56)
CIE-LCH	lch(53.85, 23.79, 198.54°)
OKLab	oklab(59.37% -0.0704 -0.0209)
OKLCH	oklch(59.37% 0.073 196.5)
XYZ	xyz(16.4306, 21.8360, 28.5430)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C8D #8D4342

analogous

#428D68 #428C8D #42668D

triadic

#428C8D #8D428C #8C8D42

tetradic

#428C8D #68428D #8D4342 #668D42

square

#428C8D #68428D #8D4342 #668D42

split-complementary

#428C8D #8D4266 #8D6842

monochromatic

#1B393A #2E6363 #428C8D #5AB1B2 #84C5C5

Accessibility & contrast

On white

3.91

#428C8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#428C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C8D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C8D	#FFFFFF	#000000	##000000
##428C8D	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84868D

Deuteranopia (green-blind)

#777D8E

Tritanopia (blue-blind)

#02908C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #428c8d;
/* rgb */ color: rgb(66, 140, 141);
/* oklch */ color: oklch(59.4% 0.073 196.5);

Tailwind

colors: {
  custom: {
    50: '#7eaeae',
    500: '#428c8d',
    950: '#000000',
  },
}

SCSS

$custom: #428c8d;
$custom-light: #7eaeae;
$custom-dark: #000000;

JSON

{
  "hex": "#428c8d",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 141
  },
  "hsl": {
    "h": 180.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.59369,
    "c": 0.07345,
    "h": 196.5
  },
  "luminance": 0.21838
}

Semantic roles & 50–950 ramp

primary

#428C8D

secondary

#B07B7B

accent

#5D5CCC

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428C8D

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

Preview Lab → · Contrast checker → · Palette generator →