#4066DF#4066DF

#4066DF is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.189 H 266.8°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4066DF
RGB	rgb(64, 102, 223)
HSL	hsl(226, 71%, 56%)
HSV	hsv(226, 71%, 87%)
CMYK	cmyk(71.3%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(46.87, 27.31, -65.69)
CIE-LCH	lch(46.87, 71.14, 292.57°)
OKLab	oklab(55.2% -0.0105 -0.1892)
OKLCH	oklch(55.2% 0.189 266.8)
XYZ	xyz(20.1804, 15.9183, 71.8067)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066DF #DFB940

analogous

#40B6DF #4066DF #6A40DF

triadic

#4066DF #DF4066 #66DF40

tetradic

#4066DF #DF40B6 #DFB940 #40DF6A

square

#4066DF #DF40B6 #DFB940 #40DF6A

split-complementary

#4066DF #DF6A40 #B6DF40

monochromatic

#18348D #2047C1 #4066DF #7490E8 #A9BAF1

Accessibility & contrast

On white

5.02

#4066DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4066DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066DF

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066DF	#FFFFFF	#000000	##FFFFFF
##4066DF	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	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: #4066df;
/* rgb */ color: rgb(64, 102, 223);
/* oklch */ color: oklch(55.2% 0.189 266.8);

Tailwind

colors: {
  custom: {
    50: '#8891ea',
    500: '#4066df',
    950: '#000000',
  },
}

SCSS

$custom: #4066df;
$custom-light: #8891ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4066df",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 225.66,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.55202,
    "c": 0.18948,
    "h": 266.8
  },
  "luminance": 0.1592
}

Semantic roles & 50–950 ramp

primary

#4066DF

secondary

#DECE9D

accent

#C33AEE

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4066DF

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

Preview Lab → · Contrast checker → · Palette generator →