#428696#428696

#428696 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.2% C 0.073 H 215.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#428696
RGB	rgb(66, 134, 150)
HSL	hsl(191, 39%, 42%)
HSV	hsv(191, 56%, 59%)
CMYK	cmyk(56%, 10.7%, 0%, 41.2%)
CIE-LAB	lab(52.30, -16.73, -15.12)
CIE-LCH	lch(52.30, 22.55, 222.11°)
OKLab	oklab(58.22% -0.0594 -0.0419)
OKLCH	oklch(58.22% 0.073 215.2)
XYZ	xyz(16.2747, 20.4089, 31.9299)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428696 #965242

analogous

#42967C #428696 #425C96

triadic

#428696 #964286 #869642

tetradic

#428696 #7C4296 #965242 #5C9642

square

#428696 #7C4296 #965242 #5C9642

split-complementary

#428696 #96425C #967C42

monochromatic

#1D3A41 #2F606C #428696 #5DA7B8 #88BECB

Accessibility & contrast

On white

4.13

#428696 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#428696 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428696

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428696	#FFFFFF	#000000	##000000
##428696	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8297

Deuteranopia (green-blind)

#6E7996

Tritanopia (blue-blind)

#008C8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428696;
/* rgb */ color: rgb(66, 134, 150);
/* oklch */ color: oklch(58.2% 0.073 215.2);

Tailwind

colors: {
  custom: {
    50: '#7ea9b4',
    500: '#428696',
    950: '#000000',
  },
}

SCSS

$custom: #428696;
$custom-light: #7ea9b4;
$custom-dark: #000000;

JSON

{
  "hex": "#428696",
  "rgb": {
    "r": 66,
    "g": 134,
    "b": 150
  },
  "hsl": {
    "h": 191.429,
    "s": 38.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.58219,
    "c": 0.07271,
    "h": 215.2
  },
  "luminance": 0.2041
}

Semantic roles & 50–950 ramp

primary

#428696

secondary

#B5897E

accent

#6F59CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #428696

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

Preview Lab → · Contrast checker → · Palette generator →