#4285BF#4285BF

#4285BF is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.9% C 0.112 H 247.1°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#4285BF
RGBrgb(66, 133, 191)
HSLhsl(208, 49%, 50%)
HSVhsv(208, 65%, 75%)
CMYKcmyk(65.4%, 30.4%, 0%, 25.1%)
CIE-LABlab(53.70, -2.86, -36.57)
CIE-LCHlch(53.70, 36.68, 265.53°)
OKLaboklab(59.9% -0.0436 -0.1033)
OKLCHoklch(59.9% 0.112 247.1)
XYZxyz(20.0348, 21.6929, 52.4114)
Luminance0.2170 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4285BF #BF7C42
analogous
#42BFBA #4285BF #4246BF
triadic
#4285BF #BF4285 #85BF42
tetradic
#4285BF #BA42BF #BF7C42 #46BF42
square
#4285BF #BA42BF #BF7C42 #46BF42
split-complementary
#4285BF #BF4246 #BFBA42
monochromatic
#224665 #326592 #4285BF #70A3CE #9DC0DE

Accessibility & contrast

On white

3.93
#4285BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.34
#4285BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285BF
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4285BF#FFFFFF#000000##000000
##4285BF1.003.935.345.34
#FFFFFF3.931.0021.0021.00
#0000005.3421.001.001.00
##0000005.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B87C2
Deuteranopia (green-blind)
#5A7BBE
Tritanopia (blue-blind)
#009399
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4285bf;
/* rgb */ color: rgb(66, 133, 191);
/* oklch */ color: oklch(59.9% 0.112 247.1);
Tailwind
colors: {
  custom: {
    50: '#83a8d2',
    500: '#4285bf',
    950: '#000000',
  },
}
SCSS
$custom: #4285bf;
$custom-light: #83a8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#4285bf",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 191
  },
  "hsl": {
    "h": 207.84,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.59896,
    "c": 0.1121,
    "h": 247.1
  },
  "luminance": 0.21695
}

Semantic roles & 50–950 ramp

primary
#4285BF
secondary
#CAAC93
accent
#8F4FD9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #4285BF

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

Preview Lab → · Contrast checker → · Palette generator →

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