#4282D8#4282D8

#4282D8 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.6% C 0.147 H 256.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#4282D8
RGB	rgb(66, 130, 216)
HSL	hsl(214, 66%, 55%)
HSV	hsv(214, 69%, 85%)
CMYK	cmyk(69.4%, 39.8%, 0%, 15.3%)
CIE-LAB	lab(54.11, 7.65, -50.09)
CIE-LCH	lch(54.11, 50.67, 278.68°)
OKLab	oklab(60.63% -0.0341 -0.1428)
OKLCH	oklch(60.63% 0.147 256.6)
XYZ	xyz(22.6196, 22.0790, 68.0220)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282D8 #D89842

analogous

#42CDD8 #4282D8 #4D42D8

triadic

#4282D8 #D84282 #82D842

tetradic

#4282D8 #D842CD #D89842 #42D84D

square

#4282D8 #D842CD #D89842 #42D84D

split-complementary

#4282D8 #D84D42 #CDD842

monochromatic

#1B4884 #2664B7 #4282D8 #75A4E2 #A7C5ED

Accessibility & contrast

On white

3.88

#4282D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#4282D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282D8

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282D8	#FFFFFF	#000000	##000000
##4282D8	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A89DB

Deuteranopia (green-blind)

#437BD6

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4282d8;
/* rgb */ color: rgb(66, 130, 216);
/* oklch */ color: oklch(60.6% 0.147 256.6);

Tailwind

colors: {
  custom: {
    50: '#87a5e4',
    500: '#4282d8',
    950: '#000000',
  },
}

SCSS

$custom: #4282d8;
$custom-light: #87a5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4282d8",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 216
  },
  "hsl": {
    "h": 214.4,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.60634,
    "c": 0.14684,
    "h": 256.6
  },
  "luminance": 0.22081
}

Semantic roles & 50–950 ramp

primary

#4282D8

secondary

#DABF9C

accent

#A03FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4282D8

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

Preview Lab → · Contrast checker → · Palette generator →