#4285D3#4285D3

#4285D3 is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 61.0% C 0.137 H 253.9°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4285D3
RGB	rgb(66, 133, 211)
HSL	hsl(212, 62%, 54%)
HSV	hsv(212, 69%, 83%)
CMYK	cmyk(68.7%, 37%, 0%, 17.3%)
CIE-LAB	lab(54.69, 4.08, -46.35)
CIE-LCH	lch(54.69, 46.53, 275.03°)
OKLab	oklab(61% -0.0381 -0.1318)
OKLCH	oklch(61% 0.137 253.9)
XYZ	xyz(22.3878, 22.6341, 64.8043)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285D3 #D39042

analogous

#42CED3 #4285D3 #4842D3

triadic

#4285D3 #D34285 #85D342

tetradic

#4285D3 #D342CE #D39042 #42D348

square

#4285D3 #D342CE #D39042 #42D348

split-complementary

#4285D3 #D34842 #CED342

monochromatic

#1D4A7D #2967AF #4285D3 #74A5DF #A5C5EA

Accessibility & contrast

On white

3.80

#4285D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#4285D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285D3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285D3	#FFFFFF	#000000	##000000
##4285D3	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628AD6

Deuteranopia (green-blind)

#4D7DD1

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4285d3;
/* rgb */ color: rgb(66, 133, 211);
/* oklch */ color: oklch(61.0% 0.137 253.9);

Tailwind

colors: {
  custom: {
    50: '#86a8e1',
    500: '#4285d3',
    950: '#000000',
  },
}

SCSS

$custom: #4285d3;
$custom-light: #86a8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4285d3",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 211
  },
  "hsl": {
    "h": 212.276,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.61001,
    "c": 0.13722,
    "h": 253.9
  },
  "luminance": 0.22636
}

Semantic roles & 50–950 ramp

primary

#4285D3

secondary

#D7BB9A

accent

#9A42E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4285D3

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

Preview Lab → · Contrast checker → · Palette generator →