#4C63CA#4C63CA

#4C63CA is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.7% C 0.161 H 270.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4C63CA
RGB	rgb(76, 99, 202)
HSL	hsl(229, 54%, 55%)
HSV	hsv(229, 62%, 79%)
CMYK	cmyk(62.4%, 51%, 0%, 20.8%)
CIE-LAB	lab(45.25, 23.64, -56.29)
CIE-LCH	lch(45.25, 61.05, 292.78°)
OKLab	oklab(53.69% 0.0018 -0.1613)
OKLCH	oklch(53.69% 0.161 270.6)
XYZ	xyz(18.0994, 14.7229, 57.7537)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63CA #CAB34C

analogous

#4CA2CA #4C63CA #744CCA

triadic

#4C63CA #CA4C63 #63CA4C

tetradic

#4C63CA #CA4CA2 #CAB34C #4CCA74

square

#4C63CA #CA4CA2 #CAB34C #4CCA74

split-complementary

#4C63CA #CA744C #A2CA4C

monochromatic

#243378 #3247A7 #4C63CA #7B8CD8 #AAB5E6

Accessibility & contrast

On white

5.32

#4C63CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#4C63CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63CA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63CA	#FFFFFF	#000000	##FFFFFF
##4C63CA	1.00	5.32	3.94	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2871CE

Deuteranopia (green-blind)

#0066C8

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4c63ca;
/* rgb */ color: rgb(76, 99, 202);
/* oklch */ color: oklch(53.7% 0.161 270.6);

Tailwind

colors: {
  custom: {
    50: '#8a8fdb',
    500: '#4c63ca',
    950: '#000000',
  },
}

SCSS

$custom: #4c63ca;
$custom-light: #8a8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63ca",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 229.048,
    "s": 54.31,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5369,
    "c": 0.16132,
    "h": 270.6
  },
  "luminance": 0.14724
}

Semantic roles & 50–950 ramp

primary

#4C63CA

secondary

#D4CA9E

accent

#C34ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C63CA

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

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