#4266DF#4266DF

#4266DF is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.189 H 267.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#4266DF
RGB	rgb(66, 102, 223)
HSL	hsl(226, 71%, 57%)
HSV	hsv(226, 70%, 87%)
CMYK	cmyk(70.4%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(46.96, 27.57, -65.55)
CIE-LCH	lch(46.96, 71.11, 292.81°)
OKLab	oklab(55.29% -0.0087 -0.1887)
OKLCH	oklch(55.29% 0.189 267.4)
XYZ	xyz(20.3128, 15.9866, 71.8129)
Luminance	0.1599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4266DF #DFBB42

analogous

#42B5DF #4266DF #6D42DF

triadic

#4266DF #DF4266 #66DF42

tetradic

#4266DF #DF42B5 #DFBB42 #42DF6D

square

#4266DF #DF42B5 #DFBB42 #42DF6D

split-complementary

#4266DF #DF6D42 #B5DF42

monochromatic

#18338E #2146C3 #4266DF #7690E8 #ABBBF1

Accessibility & contrast

On white

5.00

#4266DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#4266DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4266DF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4266DF	#FFFFFF	#000000	##FFFFFF
##4266DF	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E3

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4266df;
/* rgb */ color: rgb(66, 102, 223);
/* oklch */ color: oklch(55.3% 0.189 267.4);

Tailwind

colors: {
  custom: {
    50: '#8991ea',
    500: '#4266df',
    950: '#000000',
  },
}

SCSS

$custom: #4266df;
$custom-light: #8991ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4266df",
  "rgb": {
    "r": 66,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 226.242,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.55294,
    "c": 0.18892,
    "h": 267.4
  },
  "luminance": 0.15989
}

Semantic roles & 50–950 ramp

primary

#4266DF

secondary

#DFD09E

accent

#C53AEE

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4266DF

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

Preview Lab → · Contrast checker → · Palette generator →