#428393#428393

#428393 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.4% C 0.071 H 215.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#428393
RGB	rgb(66, 131, 147)
HSL	hsl(192, 38%, 42%)
HSV	hsv(192, 55%, 58%)
CMYK	cmyk(55.1%, 10.9%, 0%, 42.4%)
CIE-LAB	lab(51.26, -16.01, -14.94)
CIE-LCH	lch(51.26, 21.90, 223.04°)
OKLab	oklab(57.36% -0.0572 -0.0414)
OKLCH	oklch(57.36% 0.071 215.9)
XYZ	xyz(15.6275, 19.4960, 30.5377)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428393 #935242

analogous

#42937B #428393 #425B93

triadic

#428393 #934283 #839342

tetradic

#428393 #7B4293 #935242 #5B9342

square

#428393 #7B4293 #935242 #5B9342

split-complementary

#428393 #93425B #937B42

monochromatic

#1C383F #2F5D69 #428393 #5CA4B6 #87BCC9

Accessibility & contrast

On white

4.29

#428393 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#428393 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428393

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428393	#FFFFFF	#000000	##000000
##428393	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#787F94

Deuteranopia (green-blind)

#6C7693

Tritanopia (blue-blind)

#008988

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428393;
/* rgb */ color: rgb(66, 131, 147);
/* oklch */ color: oklch(57.4% 0.071 215.9);

Tailwind

colors: {
  custom: {
    50: '#7da7b2',
    500: '#428393',
    950: '#000000',
  },
}

SCSS

$custom: #428393;
$custom-light: #7da7b2;
$custom-dark: #000000;

JSON

{
  "hex": "#428393",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 147
  },
  "hsl": {
    "h": 191.852,
    "s": 38.028,
    "l": 41.765
  },
  "oklch": {
    "l": 0.57356,
    "c": 0.07056,
    "h": 215.9
  },
  "luminance": 0.19497
}

Semantic roles & 50–950 ramp

primary

#428393

secondary

#B4887D

accent

#715ACE

background

#F7FAFA

surface

#EEF4F5

border

#C9CECF

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428393

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

Preview Lab → · Contrast checker → · Palette generator →