#4C66DE#4C66DE

#4C66DE is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.185 H 270.1°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4C66DE
RGB	rgb(76, 102, 222)
HSL	hsl(229, 69%, 58%)
HSV	hsv(229, 66%, 87%)
CMYK	cmyk(65.8%, 54.1%, 0%, 12.9%)
CIE-LAB	lab(47.38, 28.66, -64.27)
CIE-LCH	lch(47.38, 70.37, 294.03°)
OKLab	oklab(55.72% 0.0005 -0.1847)
OKLCH	oklch(55.72% 0.185 270.1)
XYZ	xyz(20.9122, 16.3112, 71.1394)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66DE #DEC44C

analogous

#4CAFDE #4C66DE #7B4CDE

triadic

#4C66DE #DE4C66 #66DE4C

tetradic

#4C66DE #DE4CAF #DEC44C #4CDE7B

square

#4C66DE #DE4CAF #DEC44C #4CDE7B

split-complementary

#4C66DE #DE7B4C #AFDE4C

monochromatic

#1B3194 #2542C8 #4C66DE #8092E8 #B3BEF1

Accessibility & contrast

On white

4.93

#4C66DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4C66DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66DE

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66DE	#FFFFFF	#000000	##FFFFFF
##4C66DE	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0477E2

Deuteranopia (green-blind)

#006ADC

Tritanopia (blue-blind)

#008398

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4c66de;
/* rgb */ color: rgb(76, 102, 222);
/* oklch */ color: oklch(55.7% 0.185 270.1);

Tailwind

colors: {
  custom: {
    50: '#8d91e9',
    500: '#4c66de',
    950: '#000000',
  },
}

SCSS

$custom: #4c66de;
$custom-light: #8d91e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66de",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 222
  },
  "hsl": {
    "h": 229.315,
    "s": 68.868,
    "l": 58.431
  },
  "oklch": {
    "l": 0.55724,
    "c": 0.18475,
    "h": 270.1
  },
  "luminance": 0.16313
}

Semantic roles & 50–950 ramp

primary

#4C66DE

secondary

#E0D6A6

accent

#CC3CEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C66DE

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

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