#634CBB#634CBB

#634CBB is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.1% C 0.167 H 288.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#634CBB
RGB	rgb(99, 76, 187)
HSL	hsl(252, 45%, 52%)
HSV	hsv(252, 59%, 73%)
CMYK	cmyk(47.1%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(40.26, 37.53, -55.56)
CIE-LCH	lch(40.26, 67.05, 304.04°)
OKLab	oklab(50.07% 0.0527 -0.1587)
OKLCH	oklch(50.07% 0.167 288.4)
XYZ	xyz(16.6971, 11.4087, 48.3264)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634CBB #A4BB4C

analogous

#4C6DBB #634CBB #9A4CBB

triadic

#634CBB #BB634C #4CBB63

tetradic

#634CBB #BB4C6D #A4BB4C #4CBB9A

square

#634CBB #BB4C6D #A4BB4C #4CBB9A

split-complementary

#634CBB #BB9A4C #6DBB4C

monochromatic

#342766 #4A3892 #634CBB #8A78CC #B0A5DD

Accessibility & contrast

On white

6.40

#634CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#634CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634CBB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634CBB	#FFFFFF	#000000	##FFFFFF
##634CBB	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#47657C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #634cbb;
/* rgb */ color: rgb(99, 76, 187);
/* oklch */ color: oklch(50.1% 0.167 288.4);

Tailwind

colors: {
  custom: {
    50: '#967fd0',
    500: '#634cbb',
    950: '#000000',
  },
}

SCSS

$custom: #634cbb;
$custom-light: #967fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#634cbb",
  "rgb": {
    "r": 99,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 252.432,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50071,
    "c": 0.16725,
    "h": 288.4
  },
  "luminance": 0.11409
}

Semantic roles & 50–950 ramp

primary

#634CBB

secondary

#C0CA99

accent

#D553BA

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #634CBB

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

Preview Lab → · Contrast checker → · Palette generator →