#634FF3#634FF3

#634FF3 is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 55.0% C 0.233 H 281.0°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#634FF3
RGB	rgb(99, 79, 243)
HSL	hsl(247, 87%, 63%)
HSV	hsv(247, 67%, 95%)
CMYK	cmyk(59.3%, 67.5%, 0%, 4.7%)
CIE-LAB	lab(45.24, 52.56, -79.54)
CIE-LCH	lch(45.24, 95.34, 303.46°)
OKLab	oklab(55.04% 0.0446 -0.2291)
OKLCH	oklch(55.04% 0.233 281)
XYZ	xyz(24.1141, 14.7140, 86.3460)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634FF3 #DFF34F

analogous

#4F8DF3 #634FF3 #B54FF3

triadic

#634FF3 #F3634F #4FF363

tetradic

#634FF3 #F34F8D #DFF34F #4FF3B5

square

#634FF3 #F34F8D #DFF34F #4FF3B5

split-complementary

#634FF3 #F3B54F #8DF34F

monochromatic

#220DBB #3016EF #634FF3 #9688F7 #C9C2FB

Accessibility & contrast

On white

5.33

#634FF3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#634FF3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634FF3

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634FF3	#FFFFFF	#000000	##FFFFFF
##634FF3	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071F8

Deuteranopia (green-blind)

#0065F0

Tritanopia (blue-blind)

#007A9B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #634ff3;
/* rgb */ color: rgb(99, 79, 243);
/* oklch */ color: oklch(55.0% 0.233 281.0);

Tailwind

colors: {
  custom: {
    50: '#9e82f8',
    500: '#634ff3',
    950: '#000000',
  },
}

SCSS

$custom: #634ff3;
$custom-light: #9e82f8;
$custom-dark: #000000;

JSON

{
  "hex": "#634ff3",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 243
  },
  "hsl": {
    "h": 247.317,
    "s": 87.234,
    "l": 63.137
  },
  "oklch": {
    "l": 0.55039,
    "c": 0.23343,
    "h": 281
  },
  "luminance": 0.14716
}

Semantic roles & 50–950 ramp

primary

#634FF3

secondary

#E5ECB2

accent

#E402C8

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #634FF3

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

Preview Lab → · Contrast checker → · Palette generator →