#428E89#428E89

#428E89 is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.7% C 0.076 H 189.6°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#428E89
RGB	rgb(66, 142, 137)
HSL	hsl(176, 37%, 41%)
HSV	hsv(176, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 3.5%, 44.3%)
CIE-LAB	lab(54.35, -24.70, -4.51)
CIE-LCH	lch(54.35, 25.11, 190.35°)
OKLab	oklab(59.73% -0.0746 -0.0126)
OKLCH	oklch(59.73% 0.076 189.6)
XYZ	xyz(16.4332, 22.3089, 27.1021)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E89 #8E4247

analogous

#428E63 #428E89 #426D8E

triadic

#428E89 #89428E #8E8942

tetradic

#428E89 #63428E #8E4247 #6D8E42

square

#428E89 #63428E #8E4247 #6D8E42

split-complementary

#428E89 #8E426D #8E6342

monochromatic

#1B3A38 #2F6461 #428E89 #5BB3AD #84C6C2

Accessibility & contrast

On white

3.84

#428E89 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#428E89 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E89

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E89	#FFFFFF	#000000	##000000
##428E89	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878789

Deuteranopia (green-blind)

#7A7E8A

Tritanopia (blue-blind)

#0A918C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #428e89;
/* rgb */ color: rgb(66, 142, 137);
/* oklch */ color: oklch(59.7% 0.076 189.6);

Tailwind

colors: {
  custom: {
    50: '#7dafab',
    500: '#428e89',
    950: '#000000',
  },
}

SCSS

$custom: #428e89;
$custom-light: #7dafab;
$custom-dark: #000000;

JSON

{
  "hex": "#428e89",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 137
  },
  "hsl": {
    "h": 176.053,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59732,
    "c": 0.07563,
    "h": 189.6
  },
  "luminance": 0.2231
}

Semantic roles & 50–950 ramp

primary

#428E89

secondary

#B17B7F

accent

#5B63CD

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428E89

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

Preview Lab → · Contrast checker → · Palette generator →