#633CBB#633CBB

#633CBB is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.6% C 0.188 H 291.7°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#633CBB
RGB	rgb(99, 60, 187)
HSL	hsl(258, 51%, 48%)
HSV	hsv(258, 68%, 73%)
CMYK	cmyk(47.1%, 67.9%, 0%, 26.7%)
CIE-LAB	lab(36.88, 46.59, -61.05)
CIE-LCH	lch(36.88, 76.80, 307.35°)
OKLab	oklab(47.62% 0.0697 -0.1749)
OKLCH	oklch(47.62% 0.188 291.7)
XYZ	xyz(15.7286, 9.4717, 48.0036)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.19

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633CBB #94BB3C

analogous

#3C54BB #633CBB #A23CBB

triadic

#633CBB #BB633C #3CBB63

tetradic

#633CBB #BB3C54 #94BB3C #3CBBA2

square

#633CBB #BB3C54 #94BB3C #3CBBA2

split-complementary

#633CBB #BBA23C #54BB3C

monochromatic

#321E5E #4A2D8D #633CBB #8666CE #AB95DD

Accessibility & contrast

On white

7.26

#633CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#633CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633CBB

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633CBB	#FFFFFF	#000000	##FFFFFF
##633CBB	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#485B77

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #633cbb;
/* rgb */ color: rgb(99, 60, 187);
/* oklch */ color: oklch(47.6% 0.188 291.7);

Tailwind

colors: {
  custom: {
    50: '#9774d0',
    500: '#633cbb',
    950: '#000000',
  },
}

SCSS

$custom: #633cbb;
$custom-light: #9774d0;
$custom-dark: #000000;

JSON

{
  "hex": "#633cbb",
  "rgb": {
    "r": 99,
    "g": 60,
    "b": 187
  },
  "hsl": {
    "h": 258.425,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47616,
    "c": 0.18826,
    "h": 291.7
  },
  "luminance": 0.09472
}

Semantic roles & 50–950 ramp

primary

#633CBB

secondary

#B5C88B

accent

#DB4DAF

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #633CBB

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

Preview Lab → · Contrast checker → · Palette generator →