#4266DB#4266DB

#4266DB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.184 H 267.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4266DB
RGB	rgb(66, 102, 219)
HSL	hsl(226, 68%, 56%)
HSV	hsv(226, 70%, 86%)
CMYK	cmyk(69.9%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(46.68, 26.15, -63.73)
CIE-LCH	lch(46.68, 68.89, 292.31°)
OKLab	oklab(54.99% -0.009 -0.1834)
OKLCH	oklch(54.99% 0.184 267.2)
XYZ	xyz(19.7799, 15.7735, 69.0063)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4266DB #DBB742

analogous

#42B3DB #4266DB #6A42DB

triadic

#4266DB #DB4266 #66DB42

tetradic

#4266DB #DB42B3 #DBB742 #42DB6A

square

#4266DB #DB42B3 #DBB742 #42DB6A

split-complementary

#4266DB #DB6A42 #B3DB42

monochromatic

#1A3489 #2448BC #4266DB #7590E5 #A9B9EF

Accessibility & contrast

On white

5.05

#4266DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#4266DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4266DB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4266DB	#FFFFFF	#000000	##FFFFFF
##4266DB	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A76DF

Deuteranopia (green-blind)

#0068D9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4266db;
/* rgb */ color: rgb(66, 102, 219);
/* oklch */ color: oklch(55.0% 0.184 267.2);

Tailwind

colors: {
  custom: {
    50: '#8891e7',
    500: '#4266db',
    950: '#000000',
  },
}

SCSS

$custom: #4266db;
$custom-light: #8891e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4266db",
  "rgb": {
    "r": 66,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 225.882,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54993,
    "c": 0.1836,
    "h": 267.2
  },
  "luminance": 0.15775
}

Semantic roles & 50–950 ramp

primary

#4266DB

secondary

#DCCD9D

accent

#C23DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4266DB

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

Preview Lab → · Contrast checker → · Palette generator →