#428EE2#428EE2

#428EE2 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.9% C 0.147 H 253.1°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#428EE2
RGB	rgb(66, 142, 226)
HSL	hsl(212, 73%, 57%)
HSV	hsv(212, 71%, 89%)
CMYK	cmyk(70.8%, 37.2%, 0%, 11.4%)
CIE-LAB	lab(58.03, 3.98, -49.46)
CIE-LCH	lch(58.03, 49.62, 274.61°)
OKLab	oklab(63.86% -0.0429 -0.1408)
OKLCH	oklch(63.86% 0.147 253.1)
XYZ	xyz(25.6421, 25.9924, 75.6024)
Luminance	0.2600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428EE2 #E29642

analogous

#42DEE2 #428EE2 #4642E2

triadic

#428EE2 #E2428E #8EE242

tetradic

#428EE2 #E242DE #E29642 #42E246

square

#428EE2 #E242DE #E29642 #42E246

split-complementary

#428EE2 #E24642 #DEE242

monochromatic

#175293 #1F6FC8 #428EE2 #77AEEA #ACCDF2

Accessibility & contrast

On white

3.39

#428EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#428EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428EE2

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428EE2	#FFFFFF	#000000	##000000
##428EE2	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6894E5

Deuteranopia (green-blind)

#5085E0

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #428ee2;
/* rgb */ color: rgb(66, 142, 226);
/* oklch */ color: oklch(63.9% 0.147 253.1);

Tailwind

colors: {
  custom: {
    50: '#89aeeb',
    500: '#428ee2',
    950: '#000000',
  },
}

SCSS

$custom: #428ee2;
$custom-light: #89aeeb;
$custom-dark: #000000;

JSON

{
  "hex": "#428ee2",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 226
  },
  "hsl": {
    "h": 211.5,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63862,
    "c": 0.1472,
    "h": 253.1
  },
  "luminance": 0.25995
}

Semantic roles & 50–950 ramp

primary

#428EE2

secondary

#E0C29F

accent

#9938F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #428EE2

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

Preview Lab → · Contrast checker → · Palette generator →