#428DAE#428DAE

#428DAE is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.089 H 229.5°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#428DAE
RGB	rgb(66, 141, 174)
HSL	hsl(198, 45%, 47%)
HSV	hsv(198, 62%, 68%)
CMYK	cmyk(62.1%, 19%, 0%, 31.8%)
CIE-LAB	lab(55.34, -13.07, -24.30)
CIE-LCH	lch(55.34, 27.59, 241.73°)
OKLab	oklab(60.95% -0.0579 -0.0679)
OKLCH	oklch(60.95% 0.089 229.5)
XYZ	xyz(19.4086, 23.2621, 43.5034)
Luminance	0.2326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428DAE #AE6342

analogous

#42AE99 #428DAE #4257AE

triadic

#428DAE #AE428D #8DAE42

tetradic

#428DAE #9942AE #AE6342 #57AE42

square

#428DAE #9942AE #AE6342 #57AE42

split-complementary

#428DAE #AE4257 #AE9942

monochromatic

#204555 #316982 #428DAE #68A9C6 #94C2D6

Accessibility & contrast

On white

3.71

#428DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#428DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428DAE

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428DAE	#FFFFFF	#000000	##000000
##428DAE	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8BB0

Deuteranopia (green-blind)

#6D80AE

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #428dae;
/* rgb */ color: rgb(66, 141, 174);
/* oklch */ color: oklch(61.0% 0.089 229.5);

Tailwind

colors: {
  custom: {
    50: '#81aec6',
    500: '#428dae',
    950: '#000000',
  },
}

SCSS

$custom: #428dae;
$custom-light: #81aec6;
$custom-dark: #000000;

JSON

{
  "hex": "#428dae",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 174
  },
  "hsl": {
    "h": 198.333,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.60954,
    "c": 0.08922,
    "h": 229.5
  },
  "luminance": 0.23264
}

Semantic roles & 50–950 ramp

primary

#428DAE

secondary

#C29B8A

accent

#7B53D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #428DAE

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

Preview Lab → · Contrast checker → · Palette generator →