#4284D4#4284D4

#4284D4 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.140 H 254.7°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4284D4
RGB	rgb(66, 132, 212)
HSL	hsl(213, 63%, 55%)
HSV	hsv(213, 69%, 83%)
CMYK	cmyk(68.9%, 37.7%, 0%, 16.9%)
CIE-LAB	lab(54.46, 5.03, -47.28)
CIE-LCH	lch(54.46, 47.55, 276.07°)
OKLab	oklab(60.84% -0.0369 -0.1346)
OKLCH	oklch(60.84% 0.14 254.7)
XYZ	xyz(22.3773, 22.4119, 65.4212)
Luminance	0.2241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284D4 #D49242

analogous

#42CDD4 #4284D4 #4942D4

triadic

#4284D4 #D44284 #84D442

tetradic

#4284D4 #D442CD #D49242 #42D449

square

#4284D4 #D442CD #D49242 #42D449

split-complementary

#4284D4 #D44942 #CDD442

monochromatic

#1D497F #2866B1 #4284D4 #74A4DF #A6C5EB

Accessibility & contrast

On white

3.83

#4284D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4284D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284D4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284D4	#FFFFFF	#000000	##000000
##4284D4	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608AD7

Deuteranopia (green-blind)

#4A7CD2

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4284d4;
/* rgb */ color: rgb(66, 132, 212);
/* oklch */ color: oklch(60.8% 0.140 254.7);

Tailwind

colors: {
  custom: {
    50: '#86a7e1',
    500: '#4284d4',
    950: '#000000',
  },
}

SCSS

$custom: #4284d4;
$custom-light: #86a7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4284d4",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 212
  },
  "hsl": {
    "h": 212.877,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.60837,
    "c": 0.13953,
    "h": 254.7
  },
  "luminance": 0.22414
}

Semantic roles & 50–950 ramp

primary

#4284D4

secondary

#D8BC9A

accent

#9C42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4284D4

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

Preview Lab → · Contrast checker → · Palette generator →