#428B82#428B82

#428B82 is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.7% C 0.075 H 184.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#428B82
RGB	rgb(66, 139, 130)
HSL	hsl(173, 36%, 40%)
HSV	hsv(173, 53%, 55%)
CMYK	cmyk(52.5%, 0%, 6.5%, 45.5%)
CIE-LAB	lab(53.20, -25.08, -2.16)
CIE-LCH	lch(53.20, 25.18, 184.91°)
OKLab	oklab(58.74% -0.0743 -0.0062)
OKLCH	oklch(58.74% 0.075 184.8)
XYZ	xyz(15.5069, 21.2338, 24.3961)
Luminance	0.2124 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B82 #8B424B

analogous

#428B5E #428B82 #426F8B

triadic

#428B82 #82428B #8B8242

tetradic

#428B82 #5E428B #8B424B #6F8B42

square

#428B82 #5E428B #8B424B #6F8B42

split-complementary

#428B82 #8B426F #8B5E42

monochromatic

#1B3834 #2E625B #428B82 #5AB1A6 #83C4BC

Accessibility & contrast

On white

4.00

#428B82 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#428B82 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B82

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B82	#FFFFFF	#000000	##000000
##428B82	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858482

Deuteranopia (green-blind)

#797B83

Tritanopia (blue-blind)

#178E88

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428b82;
/* rgb */ color: rgb(66, 139, 130);
/* oklch */ color: oklch(58.7% 0.075 184.8);

Tailwind

colors: {
  custom: {
    50: '#7dada6',
    500: '#428b82',
    950: '#000000',
  },
}

SCSS

$custom: #428b82;
$custom-light: #7dada6;
$custom-dark: #000000;

JSON

{
  "hex": "#428b82",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 130
  },
  "hsl": {
    "h": 172.603,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58735,
    "c": 0.07452,
    "h": 184.8
  },
  "luminance": 0.21235
}

Semantic roles & 50–950 ramp

primary

#428B82

secondary

#AF7A80

accent

#5C6ACC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A100F

muted

#7C7F7F

Preview Lab

Preview with #428B82

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

Preview Lab → · Contrast checker → · Palette generator →