#428590#428590

#428590 is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.7% C 0.070 H 209.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#428590
RGB	rgb(66, 133, 144)
HSL	hsl(188, 37%, 41%)
HSV	hsv(188, 54%, 56%)
CMYK	cmyk(54.2%, 7.6%, 0%, 43.5%)
CIE-LAB	lab(51.78, -17.99, -12.42)
CIE-LCH	lch(51.78, 21.86, 214.62°)
OKLab	oklab(57.73% -0.0608 -0.0343)
OKLCH	oklch(57.73% 0.07 209.4)
XYZ	xyz(15.6663, 19.9455, 29.4044)
Luminance	0.1995 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428590 #904D42

analogous

#429074 #428590 #425E90

triadic

#428590 #904285 #859042

tetradic

#428590 #744290 #904D42 #5E9042

square

#428590 #744290 #904D42 #5E9042

split-complementary

#428590 #90425E #907442

monochromatic

#1C373C #2F5E66 #428590 #5BA7B4 #85BEC7

Accessibility & contrast

On white

4.21

#428590 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#428590 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428590

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428590	#FFFFFF	#000000	##000000
##428590	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8191

Deuteranopia (green-blind)

#6F7890

Tritanopia (blue-blind)

#028A88

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428590;
/* rgb */ color: rgb(66, 133, 144);
/* oklch */ color: oklch(57.7% 0.070 209.4);

Tailwind

colors: {
  custom: {
    50: '#7da8b0',
    500: '#428590',
    950: '#000000',
  },
}

SCSS

$custom: #428590;
$custom-light: #7da8b0;
$custom-dark: #000000;

JSON

{
  "hex": "#428590",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 144
  },
  "hsl": {
    "h": 188.462,
    "s": 37.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.57732,
    "c": 0.06983,
    "h": 209.4
  },
  "luminance": 0.19947
}

Semantic roles & 50–950 ramp

primary

#428590

secondary

#B2837C

accent

#6B5BCD

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #428590

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

Preview Lab → · Contrast checker → · Palette generator →