#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
RGBrgb(66, 133, 211)
HSLhsl(212, 62%, 54%)
HSVhsv(212, 69%, 83%)
CMYKcmyk(68.7%, 37%, 0%, 17.3%)
CIE-LABlab(54.69, 4.08, -46.35)
CIE-LCHlch(54.69, 46.53, 275.03°)
OKLaboklab(61% -0.0381 -0.1318)
OKLCHoklch(61% 0.137 253.9)
XYZxyz(22.3878, 22.6341, 64.8043)
Luminance0.2264 (WCAG relative)
Temperaturecool
Familycyan

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
##4285D31.003.805.535.53
#FFFFFF3.801.0021.0021.00
#0000005.5321.001.001.00
##0000005.5321.001.001.00

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 →

#4285D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva