#4285CC#4285CC

#4285CC is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.6% C 0.128 H 251.9°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4285CC
RGB	rgb(66, 133, 204)
HSL	hsl(211, 58%, 53%)
HSV	hsv(211, 68%, 80%)
CMYK	cmyk(67.6%, 34.8%, 0%, 20%)
CIE-LAB	lab(54.33, 1.63, -42.96)
CIE-LCH	lch(54.33, 42.99, 272.17°)
OKLab	oklab(60.6% -0.0399 -0.1219)
OKLCH	oklch(60.6% 0.128 251.9)
XYZ	xyz(21.5294, 22.2907, 60.2829)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285CC #CC8942

analogous

#42CACC #4285CC #4442CC

triadic

#4285CC #CC4285 #85CC42

tetradic

#4285CC #CC42CA #CC8942 #42CC44

square

#4285CC #CC42CA #CC8942 #42CC44

split-complementary

#4285CC #CC4442 #CACC42

monochromatic

#1F4974 #2C67A4 #4285CC #72A4D9 #A2C3E6

Accessibility & contrast

On white

3.85

#4285CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4285CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285CC

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285CC	#FFFFFF	#000000	##000000
##4285CC	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6589CF

Deuteranopia (green-blind)

#527CCB

Tritanopia (blue-blind)

#00969F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4285cc;
/* rgb */ color: rgb(66, 133, 204);
/* oklch */ color: oklch(60.6% 0.128 251.9);

Tailwind

colors: {
  custom: {
    50: '#85a8dc',
    500: '#4285cc',
    950: '#000000',
  },
}

SCSS

$custom: #4285cc;
$custom-light: #85a8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4285cc",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 204
  },
  "hsl": {
    "h": 210.87,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.60603,
    "c": 0.12827,
    "h": 251.9
  },
  "luminance": 0.22293
}

Semantic roles & 50–950 ramp

primary

#4285CC

secondary

#D3B697

accent

#9647E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4285CC

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

Preview Lab → · Contrast checker → · Palette generator →