#4C63CD#4C63CD

#4C63CD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.9% C 0.165 H 270.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4C63CD
RGB	rgb(76, 99, 205)
HSL	hsl(229, 56%, 55%)
HSV	hsv(229, 63%, 80%)
CMYK	cmyk(62.9%, 51.7%, 0%, 19.6%)
CIE-LAB	lab(45.45, 24.67, -57.69)
CIE-LCH	lch(45.45, 62.75, 293.16°)
OKLab	oklab(53.9% 0.002 -0.1654)
OKLCH	oklch(53.9% 0.165 270.7)
XYZ	xyz(18.4581, 14.8664, 59.6426)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63CD #CDB64C

analogous

#4CA4CD #4C63CD #754CCD

triadic

#4C63CD #CD4C63 #63CD4C

tetradic

#4C63CD #CD4CA4 #CDB64C #4CCD75

square

#4C63CD #CD4CA4 #CDB64C #4CCD75

split-complementary

#4C63CD #CD754C #A4CD4C

monochromatic

#23337C #3046AC #4C63CD #7C8DDA #ACB6E8

Accessibility & contrast

On white

5.28

#4C63CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#4C63CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63CD

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63CD	#FFFFFF	#000000	##FFFFFF
##4C63CD	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2472D1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4c63cd;
/* rgb */ color: rgb(76, 99, 205);
/* oklch */ color: oklch(53.9% 0.165 270.7);

Tailwind

colors: {
  custom: {
    50: '#8a8fdd',
    500: '#4c63cd',
    950: '#000000',
  },
}

SCSS

$custom: #4c63cd;
$custom-light: #8a8fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63cd",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 205
  },
  "hsl": {
    "h": 229.302,
    "s": 56.332,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53903,
    "c": 0.16545,
    "h": 270.7
  },
  "luminance": 0.14868
}

Semantic roles & 50–950 ramp

primary

#4C63CD

secondary

#D5CC9F

accent

#C548E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C63CD

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

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