#4285D1#4285D1

#4285D1 is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.9% C 0.135 H 253.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4285D1
RGB	rgb(66, 133, 209)
HSL	hsl(212, 61%, 54%)
HSV	hsv(212, 68%, 82%)
CMYK	cmyk(68.4%, 36.4%, 0%, 18%)
CIE-LAB	lab(54.59, 3.37, -45.38)
CIE-LCH	lch(54.59, 45.51, 274.25°)
OKLab	oklab(60.89% -0.0386 -0.129)
OKLCH	oklch(60.89% 0.135 253.3)
XYZ	xyz(22.1387, 22.5344, 63.4921)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285D1 #D18E42

analogous

#42CDD1 #4285D1 #4742D1

triadic

#4285D1 #D14285 #85D142

tetradic

#4285D1 #D142CD #D18E42 #42D147

square

#4285D1 #D142CD #D18E42 #42D147

split-complementary

#4285D1 #D14742 #CDD142

monochromatic

#1E497B #2A67AC #4285D1 #73A5DD #A4C5E9

Accessibility & contrast

On white

3.81

#4285D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#4285D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285D1

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285D1	#FFFFFF	#000000	##000000
##4285D1	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#638AD4

Deuteranopia (green-blind)

#4E7CCF

Tritanopia (blue-blind)

#0097A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4285d1;
/* rgb */ color: rgb(66, 133, 209);
/* oklch */ color: oklch(60.9% 0.135 253.3);

Tailwind

colors: {
  custom: {
    50: '#86a8df',
    500: '#4285d1',
    950: '#000000',
  },
}

SCSS

$custom: #4285d1;
$custom-light: #86a8df;
$custom-dark: #000000;

JSON

{
  "hex": "#4285d1",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 209
  },
  "hsl": {
    "h": 211.888,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.60886,
    "c": 0.13465,
    "h": 253.3
  },
  "luminance": 0.22537
}

Semantic roles & 50–950 ramp

primary

#4285D1

secondary

#D6B999

accent

#9944E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4285D1

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

Preview Lab → · Contrast checker → · Palette generator →