#4B63FF#4B63FF

#4B63FF is a mid, highly saturated blue. Relative luminance 0.176; OKLCH L 57.7% C 0.231 H 270.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B63FF
RGB	rgb(75, 99, 255)
HSL	hsl(232, 100%, 65%)
HSV	hsv(232, 71%, 100%)
CMYK	cmyk(70.6%, 61.2%, 0%, 0%)
CIE-LAB	lab(49.05, 41.69, -80.05)
CIE-LCH	lch(49.05, 90.26, 297.51°)
OKLab	oklab(57.72% 0.0022 -0.2312)
OKLCH	oklch(57.72% 0.231 270.5)
XYZ	xyz(25.4073, 17.6370, 96.6536)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63FF #FFE74B

analogous

#4BBDFF #4B63FF #8D4BFF

triadic

#4B63FF #FF4B63 #63FF4B

tetradic

#4B63FF #FF4BBD #FFE74B #4BFF8D

square

#4B63FF #FF4BBD #FFE74B #4BFF8D

split-complementary

#4B63FF #FF8D4B #BDFF4B

monochromatic

#001CD0 #0E2EFF #4B63FF #8898FF #C5CDFF

Accessibility & contrast

On white

4.64

#4B63FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4B63FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63FF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63FF	#FFFFFF	#000000	##FFFFFF
##4B63FF	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DFF

Deuteranopia (green-blind)

#006CFC

Tritanopia (blue-blind)

#008BA8

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b63ff;
/* rgb */ color: rgb(75, 99, 255);
/* oklch */ color: oklch(57.7% 0.231 270.5);

Tailwind

colors: {
  custom: {
    50: '#938fff',
    500: '#4b63ff',
    950: '#000000',
  },
}

SCSS

$custom: #4b63ff;
$custom-light: #938fff;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63ff",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 255
  },
  "hsl": {
    "h": 232,
    "s": 100,
    "l": 64.706
  },
  "oklch": {
    "l": 0.57724,
    "c": 0.23119,
    "h": 270.5
  },
  "luminance": 0.1764
}

Semantic roles & 50–950 ramp

primary

#4B63FF

secondary

#F2EAB4

accent

#C700E6

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C18

muted

#7F7D86

Preview Lab

Preview with #4B63FF

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

Preview Lab → · Contrast checker → · Palette generator →