#428C8E#428C8E

#428C8E is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.4% C 0.073 H 197.7°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#428C8E
RGB	rgb(66, 140, 142)
HSL	hsl(182, 37%, 41%)
HSV	hsv(182, 54%, 56%)
CMYK	cmyk(53.5%, 1.4%, 0%, 44.3%)
CIE-LAB	lab(53.88, -22.27, -8.10)
CIE-LCH	lch(53.88, 23.70, 199.97°)
OKLab	oklab(59.4% -0.07 -0.0224)
OKLCH	oklch(59.4% 0.073 197.7)
XYZ	xyz(16.5053, 21.8659, 28.9367)
Luminance	0.2187 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C8E #8E4442

analogous

#428E6A #428C8E #42668E

triadic

#428C8E #8E428C #8C8E42

tetradic

#428C8E #6A428E #8E4442 #668E42

square

#428C8E #6A428E #8E4442 #668E42

split-complementary

#428C8E #8E4266 #8E6A42

monochromatic

#1B3A3A #2F6364 #428C8E #5BB0B3 #84C4C6

Accessibility & contrast

On white

3.91

#428C8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#428C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C8E

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C8E	#FFFFFF	#000000	##000000
##428C8E	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)

#84868E

Deuteranopia (green-blind)

#777D8F

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #428c8e;
/* rgb */ color: rgb(66, 140, 142);
/* oklch */ color: oklch(59.4% 0.073 197.7);

Tailwind

colors: {
  custom: {
    50: '#7eaeaf',
    500: '#428c8e',
    950: '#000000',
  },
}

SCSS

$custom: #428c8e;
$custom-light: #7eaeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#428c8e",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 142
  },
  "hsl": {
    "h": 181.579,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59405,
    "c": 0.07345,
    "h": 197.7
  },
  "luminance": 0.21867
}

Semantic roles & 50–950 ramp

primary

#428C8E

secondary

#B17C7B

accent

#5E5BCD

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428C8E

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

Preview Lab → · Contrast checker → · Palette generator →