#428AC6#428AC6

#428AC6 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.4% C 0.116 H 246.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#428AC6
RGB	rgb(66, 138, 198)
HSL	hsl(207, 54%, 52%)
HSV	hsv(207, 67%, 78%)
CMYK	cmyk(66.7%, 30.3%, 0%, 22.4%)
CIE-LAB	lab(55.49, -3.39, -37.74)
CIE-LCH	lch(55.49, 37.89, 264.87°)
OKLab	oklab(61.42% -0.0466 -0.1066)
OKLCH	oklch(61.42% 0.116 246.4)
XYZ	xyz(21.5245, 23.4102, 56.7994)
Luminance	0.2341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428AC6 #C67E42

analogous

#42C6C0 #428AC6 #4248C6

triadic

#428AC6 #C6428A #8AC642

tetradic

#428AC6 #C042C6 #C67E42 #48C642

square

#428AC6 #C042C6 #C67E42 #48C642

split-complementary

#428AC6 #C64248 #C6C042

monochromatic

#214A6D #2F6A9C #428AC6 #71A7D4 #A0C4E2

Accessibility & contrast

On white

3.70

#428AC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#428AC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428AC6

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428AC6	#FFFFFF	#000000	##000000
##428AC6	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8CC9

Deuteranopia (green-blind)

#5D7FC5

Tritanopia (blue-blind)

#00989F

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #428ac6;
/* rgb */ color: rgb(66, 138, 198);
/* oklch */ color: oklch(61.4% 0.116 246.4);

Tailwind

colors: {
  custom: {
    50: '#84abd7',
    500: '#428ac6',
    950: '#000000',
  },
}

SCSS

$custom: #428ac6;
$custom-light: #84abd7;
$custom-dark: #000000;

JSON

{
  "hex": "#428ac6",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 198
  },
  "hsl": {
    "h": 207.273,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61417,
    "c": 0.11637,
    "h": 246.4
  },
  "luminance": 0.23412
}

Semantic roles & 50–950 ramp

primary

#428AC6

secondary

#CFAF95

accent

#8D4BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #428AC6

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

Preview Lab → · Contrast checker → · Palette generator →