#4285B2#4285B2

#4285B2 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.2% C 0.097 H 240.5°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4285B2
RGB	rgb(66, 133, 178)
HSL	hsl(204, 46%, 48%)
HSV	hsv(204, 63%, 70%)
CMYK	cmyk(62.9%, 25.3%, 0%, 30.2%)
CIE-LAB	lab(53.11, -7.25, -30.05)
CIE-LCH	lch(53.11, 30.91, 256.44°)
OKLab	oklab(59.24% -0.0477 -0.0844)
OKLCH	oklch(59.24% 0.097 240.5)
XYZ	xyz(18.6671, 21.1458, 45.2086)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285B2 #B26F42

analogous

#42B2A7 #4285B2 #424DB2

triadic

#4285B2 #B24285 #85B242

tetradic

#4285B2 #A742B2 #B26F42 #4DB242

square

#4285B2 #A742B2 #B26F42 #4DB242

split-complementary

#4285B2 #B2424D #B2A742

monochromatic

#214259 #316485 #4285B2 #6AA2C8 #96BED8

Accessibility & contrast

On white

4.02

#4285B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#4285B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285B2

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285B2	#FFFFFF	#000000	##000000
##4285B2	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7185B4

Deuteranopia (green-blind)

#617AB1

Tritanopia (blue-blind)

#009094

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4285b2;
/* rgb */ color: rgb(66, 133, 178);
/* oklch */ color: oklch(59.2% 0.097 240.5);

Tailwind

colors: {
  custom: {
    50: '#81a8c9',
    500: '#4285b2',
    950: '#000000',
  },
}

SCSS

$custom: #4285b2;
$custom-light: #81a8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4285b2",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 178
  },
  "hsl": {
    "h": 204.107,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.59235,
    "c": 0.09697,
    "h": 240.5
  },
  "luminance": 0.21148
}

Semantic roles & 50–950 ramp

primary

#4285B2

secondary

#C4A28C

accent

#8752D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4285B2

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

Preview Lab → · Contrast checker → · Palette generator →