#4285C1#4285C1

#4285C1 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 60.0% C 0.115 H 248.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4285C1
RGB	rgb(66, 133, 193)
HSL	hsl(208, 51%, 51%)
HSV	hsv(208, 66%, 76%)
CMYK	cmyk(65.8%, 31.1%, 0%, 24.3%)
CIE-LAB	lab(53.79, -2.18, -37.56)
CIE-LCH	lch(53.79, 37.62, 266.68°)
OKLab	oklab(60% -0.043 -0.1062)
OKLCH	oklch(60% 0.115 248)
XYZ	xyz(20.2563, 21.7815, 53.5785)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285C1 #C17E42

analogous

#42C1BD #4285C1 #4245C1

triadic

#4285C1 #C14285 #85C142

tetradic

#4285C1 #BD42C1 #C17E42 #45C142

square

#4285C1 #BD42C1 #C17E42 #45C142

split-complementary

#4285C1 #C14245 #C1BD42

monochromatic

#224667 #316695 #4285C1 #70A3D0 #9EC0DF

Accessibility & contrast

On white

3.92

#4285C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4285C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285C1

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285C1	#FFFFFF	#000000	##000000
##4285C1	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B87C4

Deuteranopia (green-blind)

#597BC0

Tritanopia (blue-blind)

#00939A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4285c1;
/* rgb */ color: rgb(66, 133, 193);
/* oklch */ color: oklch(60.0% 0.115 248.0);

Tailwind

colors: {
  custom: {
    50: '#83a8d4',
    500: '#4285c1',
    950: '#000000',
  },
}

SCSS

$custom: #4285c1;
$custom-light: #83a8d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4285c1",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 193
  },
  "hsl": {
    "h": 208.346,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.60002,
    "c": 0.11454,
    "h": 248
  },
  "luminance": 0.21784
}

Semantic roles & 50–950 ramp

primary

#4285C1

secondary

#CCAE93

accent

#904EDA

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4285C1

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

Preview Lab → · Contrast checker → · Palette generator →