#4285C3#4285C3

#4285C3 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 60.1% C 0.117 H 248.8°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4285C3
RGB	rgb(66, 133, 195)
HSL	hsl(209, 52%, 51%)
HSV	hsv(209, 66%, 76%)
CMYK	cmyk(66.2%, 31.8%, 0%, 23.5%)
CIE-LAB	lab(53.89, -1.49, -38.55)
CIE-LCH	lch(53.89, 38.58, 267.79°)
OKLab	oklab(60.11% -0.0424 -0.109)
OKLCH	oklch(60.11% 0.117 248.8)
XYZ	xyz(20.4810, 21.8714, 54.7614)
Luminance	0.2187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285C3 #C38042

analogous

#42C3C0 #4285C3 #4244C3

triadic

#4285C3 #C34285 #85C342

tetradic

#4285C3 #C042C3 #C38042 #44C342

square

#4285C3 #C042C3 #C38042 #44C342

split-complementary

#4285C3 #C34244 #C3C042

monochromatic

#214769 #306698 #4285C3 #70A3D2 #9FC1E0

Accessibility & contrast

On white

3.91

#4285C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4285C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285C3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285C3	#FFFFFF	#000000	##000000
##4285C3	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A88C6

Deuteranopia (green-blind)

#587BC2

Tritanopia (blue-blind)

#00949B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4285c3;
/* rgb */ color: rgb(66, 133, 195);
/* oklch */ color: oklch(60.1% 0.117 248.8);

Tailwind

colors: {
  custom: {
    50: '#83a8d5',
    500: '#4285c3',
    950: '#000000',
  },
}

SCSS

$custom: #4285c3;
$custom-light: #83a8d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4285c3",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 195
  },
  "hsl": {
    "h": 208.837,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.60109,
    "c": 0.117,
    "h": 248.8
  },
  "luminance": 0.21873
}

Semantic roles & 50–950 ramp

primary

#4285C3

secondary

#CDAF94

accent

#914DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4285C3

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

Preview Lab → · Contrast checker → · Palette generator →