#634BBB#634BBB

#634BBB is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.9% C 0.169 H 288.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#634BBB
RGB	rgb(99, 75, 187)
HSL	hsl(253, 45%, 51%)
HSV	hsv(253, 60%, 73%)
CMYK	cmyk(47.1%, 59.9%, 0%, 26.7%)
CIE-LAB	lab(40.03, 38.12, -55.92)
CIE-LCH	lch(40.03, 67.68, 304.28°)
OKLab	oklab(49.91% 0.0539 -0.1598)
OKLCH	oklch(49.91% 0.169 288.6)
XYZ	xyz(16.6287, 11.2720, 48.3036)
Luminance	0.1127 (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

#634BBB #A3BB4B

analogous

#4B6BBB #634BBB #9B4BBB

triadic

#634BBB #BB634B #4BBB63

tetradic

#634BBB #BB4B6B #A3BB4B #4BBB9B

square

#634BBB #BB4B6B #A3BB4B #4BBB9B

split-complementary

#634BBB #BB9B4B #6BBB4B

monochromatic

#342665 #4A3792 #634BBB #8977CC #B0A4DD

Accessibility & contrast

On white

6.45

#634BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#634BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634BBB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634BBB	#FFFFFF	#000000	##FFFFFF
##634BBB	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#47657C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #634bbb;
/* rgb */ color: rgb(99, 75, 187);
/* oklch */ color: oklch(49.9% 0.169 288.6);

Tailwind

colors: {
  custom: {
    50: '#967ed0',
    500: '#634bbb',
    950: '#000000',
  },
}

SCSS

$custom: #634bbb;
$custom-light: #967ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#634bbb",
  "rgb": {
    "r": 99,
    "g": 75,
    "b": 187
  },
  "hsl": {
    "h": 252.857,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49906,
    "c": 0.16862,
    "h": 288.6
  },
  "luminance": 0.11273
}

Semantic roles & 50–950 ramp

primary

#634BBB

secondary

#BFCA98

accent

#D553B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #634BBB

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

Preview Lab → · Contrast checker → · Palette generator →