#4285CA#4285CA

#4285CA is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.5% C 0.126 H 251.2°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#4285CA
RGBrgb(66, 133, 202)
HSLhsl(210, 56%, 53%)
HSVhsv(210, 67%, 79%)
CMYKcmyk(67.3%, 34.2%, 0%, 20.8%)
CIE-LABlab(54.23, 0.93, -41.99)
CIE-LCHlch(54.23, 42.00, 271.27°)
OKLaboklab(60.49% -0.0404 -0.1191)
OKLCHoklch(60.49% 0.126 251.2)
XYZxyz(21.2910, 22.1954, 59.0277)
Luminance0.2220 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4285CA #CA8742
analogous
#42C9CA #4285CA #4342CA
triadic
#4285CA #CA4285 #85CA42
tetradic
#4285CA #CA42C9 #CA8742 #42CA43
square
#4285CA #CA42C9 #CA8742 #42CA43
split-complementary
#4285CA #CA4342 #C9CA42
monochromatic
#204872 #2D67A2 #4285CA #72A4D7 #A2C3E5

Accessibility & contrast

On white

3.86
#4285CA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.44
#4285CA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285CA
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4285CA#FFFFFF#000000##000000
##4285CA1.003.865.445.44
#FFFFFF3.861.0021.0021.00
#0000005.4421.001.001.00
##0000005.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6689CD
Deuteranopia (green-blind)
#537CC9
Tritanopia (blue-blind)
#00959E
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4285ca;
/* rgb */ color: rgb(66, 133, 202);
/* oklch */ color: oklch(60.5% 0.126 251.2);
Tailwind
colors: {
  custom: {
    50: '#85a8da',
    500: '#4285ca',
    950: '#000000',
  },
}
SCSS
$custom: #4285ca;
$custom-light: #85a8da;
$custom-dark: #000000;
JSON
{
  "hex": "#4285ca",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 202
  },
  "hsl": {
    "h": 210.441,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.60491,
    "c": 0.12573,
    "h": 251.2
  },
  "luminance": 0.22198
}

Semantic roles & 50–950 ramp

primary
#4285CA
secondary
#D1B496
accent
#9548DF
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4285CA

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

Preview Lab → · Contrast checker → · Palette generator →

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