#4C66DF#4C66DF

#4C66DF is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.8% C 0.186 H 270.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4C66DF
RGB	rgb(76, 102, 223)
HSL	hsl(229, 70%, 59%)
HSV	hsv(229, 66%, 87%)
CMYK	cmyk(65.9%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(47.45, 29.00, -64.72)
CIE-LCH	lch(47.45, 70.92, 294.14°)
OKLab	oklab(55.8% 0.0005 -0.1861)
OKLCH	oklch(55.8% 0.186 270.2)
XYZ	xyz(21.0466, 16.3650, 71.8473)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66DF #DFC54C

analogous

#4CAFDF #4C66DF #7B4CDF

triadic

#4C66DF #DF4C66 #66DF4C

tetradic

#4C66DF #DF4CAF #DFC54C #4CDF7B

square

#4C66DF #DF4CAF #DFC54C #4CDF7B

split-complementary

#4C66DF #DF7B4C #AFDF4C

monochromatic

#1B3196 #2441CA #4C66DF #8092E8 #B4BFF2

Accessibility & contrast

On white

4.91

#4C66DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#4C66DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66DF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66DF	#FFFFFF	#000000	##FFFFFF
##4C66DF	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E3

Deuteranopia (green-blind)

#006ADD

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4c66df;
/* rgb */ color: rgb(76, 102, 223);
/* oklch */ color: oklch(55.8% 0.186 270.2);

Tailwind

colors: {
  custom: {
    50: '#8e91ea',
    500: '#4c66df',
    950: '#000000',
  },
}

SCSS

$custom: #4c66df;
$custom-light: #8e91ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66df",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 229.388,
    "s": 69.668,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55798,
    "c": 0.18609,
    "h": 270.2
  },
  "luminance": 0.16367
}

Semantic roles & 50–950 ramp

primary

#4C66DF

secondary

#E0D6A6

accent

#CD3BEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C66DF

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

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