#4C66DC#4C66DC

#4C66DC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.6% C 0.182 H 270.1°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4C66DC
RGB	rgb(76, 102, 220)
HSL	hsl(229, 67%, 58%)
HSV	hsv(229, 65%, 86%)
CMYK	cmyk(65.5%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(47.24, 27.97, -63.36)
CIE-LCH	lch(47.24, 69.26, 293.82°)
OKLab	oklab(55.58% 0.0004 -0.1821)
OKLCH	oklch(55.58% 0.182 270.1)
XYZ	xyz(20.6457, 16.2047, 69.7361)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66DC #DCC24C

analogous

#4CAEDC #4C66DC #7A4CDC

triadic

#4C66DC #DC4C66 #66DC4C

tetradic

#4C66DC #DC4CAE #DCC24C #4CDC7A

square

#4C66DC #DC4CAE #DCC24C #4CDC7A

split-complementary

#4C66DC #DC7A4C #AEDC4C

monochromatic

#1C3191 #2643C4 #4C66DC #7F92E6 #B2BEF0

Accessibility & contrast

On white

4.95

#4C66DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#4C66DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66DC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66DC	#FFFFFF	#000000	##FFFFFF
##4C66DC	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E77E0

Deuteranopia (green-blind)

#006ADA

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4c66dc;
/* rgb */ color: rgb(76, 102, 220);
/* oklch */ color: oklch(55.6% 0.182 270.1);

Tailwind

colors: {
  custom: {
    50: '#8d91e8',
    500: '#4c66dc',
    950: '#000000',
  },
}

SCSS

$custom: #4c66dc;
$custom-light: #8d91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66dc",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 229.167,
    "s": 67.29,
    "l": 58.039
  },
  "oklch": {
    "l": 0.55576,
    "c": 0.18208,
    "h": 270.1
  },
  "luminance": 0.16207
}

Semantic roles & 50–950 ramp

primary

#4C66DC

secondary

#DFD4A5

accent

#CB3EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4C66DC

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

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