#4285DB#4285DB

#4285DB is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.5% C 0.148 H 255.8°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4285DB
RGB	rgb(66, 133, 219)
HSL	hsl(214, 68%, 56%)
HSV	hsv(214, 70%, 86%)
CMYK	cmyk(69.9%, 39.3%, 0%, 14.1%)
CIE-LAB	lab(55.12, 6.90, -50.17)
CIE-LCH	lch(55.12, 50.65, 277.83°)
OKLab	oklab(61.47% -0.0362 -0.143)
OKLCH	oklch(61.47% 0.148 255.8)
XYZ	xyz(23.4158, 23.0453, 70.2182)
Luminance	0.2305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285DB #DB9842

analogous

#42D2DB #4285DB #4B42DB

triadic

#4285DB #DB4285 #85DB42

tetradic

#4285DB #DB42D2 #DB9842 #42DB4B

square

#4285DB #DB42D2 #DB9842 #42DB4B

split-complementary

#4285DB #DB4B42 #D2DB42

monochromatic

#1A4A89 #2466BC #4285DB #75A6E5 #A9C7EF

Accessibility & contrast

On white

3.74

#4285DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#4285DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285DB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285DB	#FFFFFF	#000000	##000000
##4285DB	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8CDE

Deuteranopia (green-blind)

#467DD9

Tritanopia (blue-blind)

#0099A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4285db;
/* rgb */ color: rgb(66, 133, 219);
/* oklch */ color: oklch(61.5% 0.148 255.8);

Tailwind

colors: {
  custom: {
    50: '#87a8e6',
    500: '#4285db',
    950: '#000000',
  },
}

SCSS

$custom: #4285db;
$custom-light: #87a8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4285db",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 219
  },
  "hsl": {
    "h": 213.725,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61471,
    "c": 0.14754,
    "h": 255.8
  },
  "luminance": 0.23048
}

Semantic roles & 50–950 ramp

primary

#4285DB

secondary

#DCC09D

accent

#9F3DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4285DB

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

Preview Lab → · Contrast checker → · Palette generator →