#428EAE#428EAE

#428EAE is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.089 H 228.4°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#428EAE
RGB	rgb(66, 142, 174)
HSL	hsl(198, 45%, 47%)
HSV	hsv(198, 62%, 68%)
CMYK	cmyk(62.1%, 18.4%, 0%, 31.8%)
CIE-LAB	lab(55.64, -13.62, -23.84)
CIE-LCH	lch(55.64, 27.46, 240.25°)
OKLab	oklab(61.19% -0.059 -0.0665)
OKLCH	oklch(61.19% 0.089 228.4)
XYZ	xyz(19.5568, 23.5583, 43.5527)
Luminance	0.2356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428EAE #AE6242

analogous

#42AE98 #428EAE #4258AE

triadic

#428EAE #AE428E #8EAE42

tetradic

#428EAE #9842AE #AE6242 #58AE42

square

#428EAE #9842AE #AE6242 #58AE42

split-complementary

#428EAE #AE4258 #AE9842

monochromatic

#204655 #316A82 #428EAE #68AAC6 #94C3D6

Accessibility & contrast

On white

3.68

#428EAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#428EAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428EAE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428EAE	#FFFFFF	#000000	##000000
##428EAE	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB0

Deuteranopia (green-blind)

#6E80AE

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #428eae;
/* rgb */ color: rgb(66, 142, 174);
/* oklch */ color: oklch(61.2% 0.089 228.4);

Tailwind

colors: {
  custom: {
    50: '#81afc6',
    500: '#428eae',
    950: '#000000',
  },
}

SCSS

$custom: #428eae;
$custom-light: #81afc6;
$custom-dark: #000000;

JSON

{
  "hex": "#428eae",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 174
  },
  "hsl": {
    "h": 197.778,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.61194,
    "c": 0.08894,
    "h": 228.4
  },
  "luminance": 0.2356
}

Semantic roles & 50–950 ramp

primary

#428EAE

secondary

#C29A8A

accent

#7A53D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #428EAE

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

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