#428596#428596

#428596 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.0% C 0.073 H 216.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#428596
RGB	rgb(66, 133, 150)
HSL	hsl(192, 39%, 42%)
HSV	hsv(192, 56%, 59%)
CMYK	cmyk(56%, 11.3%, 0%, 41.2%)
CIE-LAB	lab(51.99, -16.19, -15.59)
CIE-LCH	lch(51.99, 22.47, 223.92°)
OKLab	oklab(57.97% -0.0583 -0.0432)
OKLCH	oklch(57.97% 0.073 216.5)
XYZ	xyz(16.1372, 20.1338, 31.8841)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428596 #965342

analogous

#42967D #428596 #425B96

triadic

#428596 #964285 #859642

tetradic

#428596 #7D4296 #965342 #5B9642

square

#428596 #7D4296 #965342 #5B9642

split-complementary

#428596 #96425B #967D42

monochromatic

#1D3A41 #2F5F6C #428596 #5DA6B8 #88BDCB

Accessibility & contrast

On white

4.18

#428596 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#428596 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428596

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428596	#FFFFFF	#000000	##000000
##428596	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798197

Deuteranopia (green-blind)

#6D7896

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428596;
/* rgb */ color: rgb(66, 133, 150);
/* oklch */ color: oklch(58.0% 0.073 216.5);

Tailwind

colors: {
  custom: {
    50: '#7ea8b4',
    500: '#428596',
    950: '#000000',
  },
}

SCSS

$custom: #428596;
$custom-light: #7ea8b4;
$custom-dark: #000000;

JSON

{
  "hex": "#428596",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 150
  },
  "hsl": {
    "h": 192.143,
    "s": 38.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.57973,
    "c": 0.07254,
    "h": 216.5
  },
  "luminance": 0.20135
}

Semantic roles & 50–950 ramp

primary

#428596

secondary

#B58A7E

accent

#7159CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428596

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

Preview Lab → · Contrast checker → · Palette generator →