#4285DD#4285DD

#4285DD is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.6% C 0.150 H 256.2°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#4285DD
RGBrgb(66, 133, 221)
HSLhsl(214, 70%, 56%)
HSVhsv(214, 70%, 87%)
CMYKcmyk(70.1%, 39.8%, 0%, 13.3%)
CIE-LABlab(55.23, 7.61, -51.12)
CIE-LCHlch(55.23, 51.69, 278.46°)
OKLaboklab(61.59% -0.0358 -0.1458)
OKLCHoklch(61.59% 0.15 256.2)
XYZxyz(23.6807, 23.1512, 71.6132)
Luminance0.2315 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4285DD #DD9A42
analogous
#42D2DD #4285DD #4D42DD
triadic
#4285DD #DD4285 #85DD42
tetradic
#4285DD #DD42D2 #DD9A42 #42DD4D
square
#4285DD #DD42D2 #DD9A42 #42DD4D
split-complementary
#4285DD #DD4D42 #D2DD42
monochromatic
#194B8C #2266BF #4285DD #76A6E6 #AAC8F0

Accessibility & contrast

On white

3.73
#4285DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.63
#4285DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285DD
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4285DD#FFFFFF#000000##000000
##4285DD1.003.735.635.63
#FFFFFF3.731.0021.0021.00
#0000005.6321.001.001.00
##0000005.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5C8CE0
Deuteranopia (green-blind)
#447EDB
Tritanopia (blue-blind)
#0099A6
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4285dd;
/* rgb */ color: rgb(66, 133, 221);
/* oklch */ color: oklch(61.6% 0.150 256.2);
Tailwind
colors: {
  custom: {
    50: '#88a8e8',
    500: '#4285dd',
    950: '#000000',
  },
}
SCSS
$custom: #4285dd;
$custom-light: #88a8e8;
$custom-dark: #000000;
JSON
{
  "hex": "#4285dd",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 221
  },
  "hsl": {
    "h": 214.065,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.61591,
    "c": 0.15013,
    "h": 256.2
  },
  "luminance": 0.23154
}

Semantic roles & 50–950 ramp

primary
#4285DD
secondary
#DDC29D
accent
#A03BEC
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #4285DD

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

Preview Lab → · Contrast checker → · Palette generator →

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