#4282DB#4282DB

#4282DB is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.8% C 0.151 H 257.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4282DB
RGB	rgb(66, 130, 219)
HSL	hsl(215, 68%, 56%)
HSV	hsv(215, 70%, 86%)
CMYK	cmyk(69.9%, 40.6%, 0%, 14.1%)
CIE-LAB	lab(54.28, 8.71, -51.52)
CIE-LCH	lch(54.28, 52.25, 279.60°)
OKLab	oklab(60.82% -0.0334 -0.147)
OKLCH	oklch(60.82% 0.151 257.2)
XYZ	xyz(23.0109, 22.2355, 70.0833)
Luminance	0.2224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282DB #DB9B42

analogous

#42CEDB #4282DB #4E42DB

triadic

#4282DB #DB4282 #82DB42

tetradic

#4282DB #DB42CE #DB9B42 #42DB4E

square

#4282DB #DB42CE #DB9B42 #42DB4E

split-complementary

#4282DB #DB4E42 #CEDB42

monochromatic

#1A4889 #2463BC #4282DB #75A4E5 #A9C6EF

Accessibility & contrast

On white

3.85

#4282DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#4282DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282DB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282DB	#FFFFFF	#000000	##000000
##4282DB	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DF

Deuteranopia (green-blind)

#407BD9

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4282db;
/* rgb */ color: rgb(66, 130, 219);
/* oklch */ color: oklch(60.8% 0.151 257.2);

Tailwind

colors: {
  custom: {
    50: '#88a5e6',
    500: '#4282db',
    950: '#000000',
  },
}

SCSS

$custom: #4282db;
$custom-light: #88a5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4282db",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 219
  },
  "hsl": {
    "h": 214.902,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60816,
    "c": 0.15077,
    "h": 257.2
  },
  "luminance": 0.22238
}

Semantic roles & 50–950 ramp

primary

#4282DB

secondary

#DCC29D

accent

#A23DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4282DB

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

Preview Lab → · Contrast checker → · Palette generator →