#4B63C7#4B63C7

#4B63C7 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.157 H 270.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4B63C7
RGB	rgb(75, 99, 199)
HSL	hsl(228, 53%, 54%)
HSV	hsv(228, 62%, 78%)
CMYK	cmyk(62.3%, 50.3%, 0%, 22%)
CIE-LAB	lab(45.00, 22.43, -54.97)
CIE-LCH	lch(45.00, 59.37, 292.20°)
OKLab	oklab(53.42% 0.0005 -0.1575)
OKLCH	oklch(53.42% 0.157 270.2)
XYZ	xyz(17.6688, 14.5415, 55.8974)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63C7 #C7AF4B

analogous

#4BA1C7 #4B63C7 #714BC7

triadic

#4B63C7 #C74B63 #63C74B

tetradic

#4B63C7 #C74BA1 #C7AF4B #4BC771

square

#4B63C7 #C74BA1 #C7AF4B #4BC771

split-complementary

#4B63C7 #C7714B #A1C74B

monochromatic

#243374 #3248A2 #4B63C7 #7A8BD6 #A8B4E4

Accessibility & contrast

On white

5.37

#4B63C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#4B63C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63C7

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63C7	#FFFFFF	#000000	##FFFFFF
##4B63C7	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C70CB

Deuteranopia (green-blind)

#0A65C5

Tritanopia (blue-blind)

#007A8B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4b63c7;
/* rgb */ color: rgb(75, 99, 199);
/* oklch */ color: oklch(53.4% 0.157 270.2);

Tailwind

colors: {
  custom: {
    50: '#898fd9',
    500: '#4b63c7',
    950: '#000000',
  },
}

SCSS

$custom: #4b63c7;
$custom-light: #898fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63c7",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 199
  },
  "hsl": {
    "h": 228.387,
    "s": 52.542,
    "l": 53.725
  },
  "oklch": {
    "l": 0.53421,
    "c": 0.15746,
    "h": 270.2
  },
  "luminance": 0.14543
}

Semantic roles & 50–950 ramp

primary

#4B63C7

secondary

#D1C79C

accent

#C04CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #4B63C7

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

Preview Lab → · Contrast checker → · Palette generator →