#4285CF#4285CF

#4285CF is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.132 H 252.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4285CF
RGB	rgb(66, 133, 207)
HSL	hsl(211, 59%, 54%)
HSV	hsv(211, 68%, 81%)
CMYK	cmyk(68.1%, 35.7%, 0%, 18.8%)
CIE-LAB	lab(54.49, 2.67, -44.42)
CIE-LCH	lch(54.49, 44.50, 273.44°)
OKLab	oklab(60.77% -0.0391 -0.1262)
OKLCH	oklch(60.77% 0.132 252.8)
XYZ	xyz(21.8926, 22.4360, 62.1962)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285CF #CF8C42

analogous

#42CCCF #4285CF #4542CF

triadic

#4285CF #CF4285 #85CF42

tetradic

#4285CF #CF42CC #CF8C42 #42CF45

square

#4285CF #CF42CC #CF8C42 #42CF45

split-complementary

#4285CF #CF4542 #CCCF42

monochromatic

#1F4978 #2B67A9 #4285CF #73A5DB #A4C4E8

Accessibility & contrast

On white

3.83

#4285CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#4285CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285CF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285CF	#FFFFFF	#000000	##000000
##4285CF	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648AD2

Deuteranopia (green-blind)

#507CCE

Tritanopia (blue-blind)

#0096A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4285cf;
/* rgb */ color: rgb(66, 133, 207);
/* oklch */ color: oklch(60.8% 0.132 252.8);

Tailwind

colors: {
  custom: {
    50: '#85a8de',
    500: '#4285cf',
    950: '#000000',
  },
}

SCSS

$custom: #4285cf;
$custom-light: #85a8de;
$custom-dark: #000000;

JSON

{
  "hex": "#4285cf",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 207
  },
  "hsl": {
    "h": 211.489,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.60772,
    "c": 0.13209,
    "h": 252.8
  },
  "luminance": 0.22438
}

Semantic roles & 50–950 ramp

primary

#4285CF

secondary

#D5B898

accent

#9845E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4285CF

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

Preview Lab → · Contrast checker → · Palette generator →