#4C63E5#4C63E5

#4C63E5 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.7% C 0.198 H 270.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4C63E5
RGB	rgb(76, 99, 229)
HSL	hsl(231, 75%, 60%)
HSV	hsv(231, 67%, 90%)
CMYK	cmyk(66.8%, 56.8%, 0%, 10.2%)
CIE-LAB	lab(47.13, 32.94, -68.64)
CIE-LCH	lch(47.13, 76.14, 295.63°)
OKLab	oklab(55.69% 0.0033 -0.1976)
OKLCH	oklch(55.69% 0.198 270.9)
XYZ	xyz(21.5804, 16.1153, 76.0868)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63E5 #E5CE4C

analogous

#4CB0E5 #4C63E5 #814CE5

triadic

#4C63E5 #E54C63 #63E54C

tetradic

#4C63E5 #E54CB0 #E5CE4C #4CE581

square

#4C63E5 #E54CB0 #E5CE4C #4CE581

split-complementary

#4C63E5 #E5814C #B0E54C

monochromatic

#172C9F #1F3AD5 #4C63E5 #8192ED #B7C0F5

Accessibility & contrast

On white

4.97

#4C63E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#4C63E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63E5

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63E5	#FFFFFF	#000000	##FFFFFF
##4C63E5	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E9

Deuteranopia (green-blind)

#0069E2

Tritanopia (blue-blind)

#00839A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4c63e5;
/* rgb */ color: rgb(76, 99, 229);
/* oklch */ color: oklch(55.7% 0.198 270.9);

Tailwind

colors: {
  custom: {
    50: '#8f8fee',
    500: '#4c63e5',
    950: '#000000',
  },
}

SCSS

$custom: #4c63e5;
$custom-light: #8f8fee;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63e5",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 229
  },
  "hsl": {
    "h": 230.98,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.5569,
    "c": 0.19768,
    "h": 270.9
  },
  "luminance": 0.16117
}

Semantic roles & 50–950 ramp

primary

#4C63E5

secondary

#E4DBA9

accent

#D537F1

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C63E5

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

Preview Lab → · Contrast checker → · Palette generator →