#4B63CD#4B63CD

#4B63CD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.8% C 0.166 H 270.3°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4B63CD
RGB	rgb(75, 99, 205)
HSL	hsl(229, 57%, 55%)
HSV	hsv(229, 63%, 80%)
CMYK	cmyk(63.4%, 51.7%, 0%, 19.6%)
CIE-LAB	lab(45.39, 24.50, -57.79)
CIE-LCH	lch(45.39, 62.77, 292.98°)
OKLab	oklab(53.85% 0.001 -0.1657)
OKLCH	oklch(53.85% 0.166 270.3)
XYZ	xyz(18.3792, 14.8257, 59.6389)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63CD #CDB54B

analogous

#4BA4CD #4B63CD #744BCD

triadic

#4B63CD #CD4B63 #63CD4B

tetradic

#4B63CD #CD4BA4 #CDB54B #4BCD74

square

#4B63CD #CD4BA4 #CDB54B #4BCD74

split-complementary

#4B63CD #CD744B #A4CD4B

monochromatic

#22337B #3046AB #4B63CD #7B8DDA #ABB6E8

Accessibility & contrast

On white

5.30

#4B63CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#4B63CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63CD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63CD	#FFFFFF	#000000	##FFFFFF
##4B63CD	1.00	5.30	3.97	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2372D1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4b63cd;
/* rgb */ color: rgb(75, 99, 205);
/* oklch */ color: oklch(53.8% 0.166 270.3);

Tailwind

colors: {
  custom: {
    50: '#8a8fdd',
    500: '#4b63cd',
    950: '#000000',
  },
}

SCSS

$custom: #4b63cd;
$custom-light: #8a8fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63cd",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 205
  },
  "hsl": {
    "h": 228.923,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.53845,
    "c": 0.16574,
    "h": 270.3
  },
  "luminance": 0.14827
}

Semantic roles & 50–950 ramp

primary

#4B63CD

secondary

#D5CB9F

accent

#C448E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B63CD

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

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