#4B66DE#4B66DE

#4B66DE is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.185 H 269.8°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4B66DE
RGB	rgb(75, 102, 222)
HSL	hsl(229, 69%, 58%)
HSV	hsv(229, 66%, 87%)
CMYK	cmyk(66.2%, 54.1%, 0%, 12.9%)
CIE-LAB	lab(47.33, 28.51, -64.36)
CIE-LCH	lch(47.33, 70.39, 293.89°)
OKLab	oklab(55.67% -0.0005 -0.185)
OKLCH	oklch(55.67% 0.185 269.8)
XYZ	xyz(20.8334, 16.2706, 71.1357)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B66DE #DEC34B

analogous

#4BAFDE #4B66DE #7A4BDE

triadic

#4B66DE #DE4B66 #66DE4B

tetradic

#4B66DE #DE4BAF #DEC34B #4BDE7A

square

#4B66DE #DE4BAF #DEC34B #4BDE7A

split-complementary

#4B66DE #DE7A4B #AFDE4B

monochromatic

#1B3194 #2542C7 #4B66DE #7F92E7 #B2BEF1

Accessibility & contrast

On white

4.94

#4B66DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#4B66DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B66DE

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B66DE	#FFFFFF	#000000	##FFFFFF
##4B66DE	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0377E2

Deuteranopia (green-blind)

#006ADC

Tritanopia (blue-blind)

#008398

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4b66de;
/* rgb */ color: rgb(75, 102, 222);
/* oklch */ color: oklch(55.7% 0.185 269.8);

Tailwind

colors: {
  custom: {
    50: '#8d91e9',
    500: '#4b66de',
    950: '#000000',
  },
}

SCSS

$custom: #4b66de;
$custom-light: #8d91e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b66de",
  "rgb": {
    "r": 75,
    "g": 102,
    "b": 222
  },
  "hsl": {
    "h": 228.98,
    "s": 69.014,
    "l": 58.235
  },
  "oklch": {
    "l": 0.5567,
    "c": 0.18504,
    "h": 269.8
  },
  "luminance": 0.16273
}

Semantic roles & 50–950 ramp

primary

#4B66DE

secondary

#E0D5A5

accent

#CC3CEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4B66DE

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

Preview Lab → · Contrast checker → · Palette generator →