#428F87#428F87

#428F87 is a mid, moderate teal. Relative luminance 0.226; OKLCH L 59.9% C 0.077 H 186.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#428F87
RGB	rgb(66, 143, 135)
HSL	hsl(174, 37%, 41%)
HSV	hsv(174, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 5.6%, 43.9%)
CIE-LAB	lab(54.61, -25.75, -2.98)
CIE-LCH	lch(54.61, 25.92, 186.61°)
OKLab	oklab(59.92% -0.0767 -0.0084)
OKLCH	oklch(59.92% 0.077 186.3)
XYZ	xyz(16.4405, 22.5509, 26.4033)
Luminance	0.2255 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F87 #8F424A

analogous

#428F60 #428F87 #42708F

triadic

#428F87 #87428F #8F8742

tetradic

#428F87 #60428F #8F424A #708F42

square

#428F87 #60428F #8F424A #708F42

split-complementary

#428F87 #8F4270 #8F6042

monochromatic

#1B3B38 #2F655F #428F87 #5BB3AA #85C7C0

Accessibility & contrast

On white

3.81

#428F87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#428F87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F87

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F87	#FFFFFF	#000000	##000000
##428F87	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888887

Deuteranopia (green-blind)

#7C7F88

Tritanopia (blue-blind)

#0D928C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #428f87;
/* rgb */ color: rgb(66, 143, 135);
/* oklch */ color: oklch(59.9% 0.077 186.3);

Tailwind

colors: {
  custom: {
    50: '#7db0a9',
    500: '#428f87',
    950: '#000000',
  },
}

SCSS

$custom: #428f87;
$custom-light: #7db0a9;
$custom-dark: #000000;

JSON

{
  "hex": "#428f87",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 135
  },
  "hsl": {
    "h": 173.766,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.59917,
    "c": 0.07714,
    "h": 186.3
  },
  "luminance": 0.22552
}

Semantic roles & 50–950 ramp

primary

#428F87

secondary

#B17B81

accent

#5B67CD

background

#F8FAFA

surface

#EFF5F4

border

#CACFCE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428F87

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

Preview Lab → · Contrast checker → · Palette generator →