#4C63CE#4C63CE

#4C63CE is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.0% C 0.167 H 270.7°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4C63CE
RGB	rgb(76, 99, 206)
HSL	hsl(229, 57%, 55%)
HSV	hsv(229, 63%, 81%)
CMYK	cmyk(63.1%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(45.52, 25.02, -58.16)
CIE-LCH	lch(45.52, 63.31, 293.28°)
OKLab	oklab(53.97% 0.0021 -0.1668)
OKLCH	oklch(53.97% 0.167 270.7)
XYZ	xyz(18.5792, 14.9148, 60.2803)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63CE #CEB74C

analogous

#4CA4CE #4C63CE #764CCE

triadic

#4C63CE #CE4C63 #63CE4C

tetradic

#4C63CE #CE4CA4 #CEB74C #4CCE76

square

#4C63CE #CE4CA4 #CEB74C #4CCE76

split-complementary

#4C63CE #CE764C #A4CE4C

monochromatic

#22327D #2F46AD #4C63CE #7C8DDB #ACB7E8

Accessibility & contrast

On white

5.27

#4C63CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#4C63CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63CE

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63CE	#FFFFFF	#000000	##FFFFFF
##4C63CE	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2272D2

Deuteranopia (green-blind)

#0066CC

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4c63ce;
/* rgb */ color: rgb(76, 99, 206);
/* oklch */ color: oklch(54.0% 0.167 270.7);

Tailwind

colors: {
  custom: {
    50: '#8b8fde',
    500: '#4c63ce',
    950: '#000000',
  },
}

SCSS

$custom: #4c63ce;
$custom-light: #8b8fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63ce",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 229.385,
    "s": 57.018,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53974,
    "c": 0.16682,
    "h": 270.7
  },
  "luminance": 0.14916
}

Semantic roles & 50–950 ramp

primary

#4C63CE

secondary

#D6CCA0

accent

#C548E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C63CE

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

Preview Lab → · Contrast checker → · Palette generator →