#428AC2#428AC2

#428AC2 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.2% C 0.112 H 244.6°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#428AC2
RGB	rgb(66, 138, 194)
HSL	hsl(206, 51%, 51%)
HSV	hsv(206, 66%, 76%)
CMYK	cmyk(66%, 28.9%, 0%, 23.9%)
CIE-LAB	lab(55.31, -4.75, -35.76)
CIE-LCH	lch(55.31, 36.07, 262.43°)
OKLab	oklab(61.21% -0.0478 -0.1009)
OKLCH	oklch(61.21% 0.112 244.6)
XYZ	xyz(21.0692, 23.2281, 54.4016)
Luminance	0.2323 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428AC2 #C27A42

analogous

#42C2BA #428AC2 #424AC2

triadic

#428AC2 #C2428A #8AC242

tetradic

#428AC2 #BA42C2 #C27A42 #4AC242

square

#428AC2 #BA42C2 #C27A42 #4AC242

split-complementary

#428AC2 #C2424A #C2BA42

monochromatic

#224968 #316A96 #428AC2 #70A7D1 #9FC3E0

Accessibility & contrast

On white

3.72

#428AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#428AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428AC2

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428AC2	#FFFFFF	#000000	##000000
##428AC2	1.00	3.72	5.65	5.65
#FFFFFF	3.72	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)

#718BC4

Deuteranopia (green-blind)

#607FC1

Tritanopia (blue-blind)

#00989E

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #428ac2;
/* rgb */ color: rgb(66, 138, 194);
/* oklch */ color: oklch(61.2% 0.112 244.6);

Tailwind

colors: {
  custom: {
    50: '#83acd4',
    500: '#428ac2',
    950: '#000000',
  },
}

SCSS

$custom: #428ac2;
$custom-light: #83acd4;
$custom-dark: #000000;

JSON

{
  "hex": "#428ac2",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 194
  },
  "hsl": {
    "h": 206.25,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.61209,
    "c": 0.11166,
    "h": 244.6
  },
  "luminance": 0.2323
}

Semantic roles & 50–950 ramp

primary

#428AC2

secondary

#CCAC94

accent

#8B4DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #428AC2

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

Preview Lab → · Contrast checker → · Palette generator →