#428F85#428F85

#428F85 is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.078 H 184.1°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#428F85
RGB	rgb(66, 143, 133)
HSL	hsl(172, 37%, 41%)
HSV	hsv(172, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 7%, 43.9%)
CIE-LAB	lab(54.55, -26.29, -1.92)
CIE-LCH	lch(54.55, 26.36, 184.17°)
OKLab	oklab(59.85% -0.0776 -0.0056)
OKLCH	oklch(59.85% 0.078 184.1)
XYZ	xyz(16.3011, 22.4951, 25.6687)
Luminance	0.2250 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F85 #8F424C

analogous

#428F5E #428F85 #42728F

triadic

#428F85 #85428F #8F8542

tetradic

#428F85 #5E428F #8F424C #728F42

square

#428F85 #5E428F #8F424C #728F42

split-complementary

#428F85 #8F4272 #8F5E42

monochromatic

#1B3B37 #2F655E #428F85 #5BB3A8 #85C7BE

Accessibility & contrast

On white

3.82

#428F85 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#428F85 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F85

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F85	#FFFFFF	#000000	##000000
##428F85	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)

#898885

Deuteranopia (green-blind)

#7C7F86

Tritanopia (blue-blind)

#10928C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #428f85;
/* rgb */ color: rgb(66, 143, 133);
/* oklch */ color: oklch(59.9% 0.078 184.1);

Tailwind

colors: {
  custom: {
    50: '#7db0a8',
    500: '#428f85',
    950: '#000000',
  },
}

SCSS

$custom: #428f85;
$custom-light: #7db0a8;
$custom-dark: #000000;

JSON

{
  "hex": "#428f85",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 133
  },
  "hsl": {
    "h": 172.208,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.5985,
    "c": 0.07781,
    "h": 184.1
  },
  "luminance": 0.22497
}

Semantic roles & 50–950 ramp

primary

#428F85

secondary

#B17B82

accent

#5B6ACD

background

#F7FAFA

surface

#EEF5F4

border

#C9CFCE

text

#0A100F

muted

#7C7F7F

Preview Lab

Preview with #428F85

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

Preview Lab → · Contrast checker → · Palette generator →