#633FBB#633FBB

#633FBB is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.0% C 0.185 H 291.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#633FBB
RGB	rgb(99, 63, 187)
HSL	hsl(257, 50%, 49%)
HSV	hsv(257, 66%, 73%)
CMYK	cmyk(47.1%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(37.47, 44.96, -60.08)
CIE-LCH	lch(37.47, 75.04, 306.81°)
OKLab	oklab(48.04% 0.0667 -0.172)
OKLCH	oklch(48.04% 0.185 291.2)
XYZ	xyz(15.8902, 9.7949, 48.0574)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633FBB #97BB3F

analogous

#3F59BB #633FBB #A13FBB

triadic

#633FBB #BB633F #3FBB63

tetradic

#633FBB #BB3F59 #97BB3F #3FBBA1

square

#633FBB #BB3F59 #97BB3F #3FBBA1

split-complementary

#633FBB #BBA13F #59BB3F

monochromatic

#33205F #4B308D #633FBB #876ACD #AC98DC

Accessibility & contrast

On white

7.10

#633FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#633FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633FBB

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633FBB	#FFFFFF	#000000	##FFFFFF
##633FBB	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#0055B8

Tritanopia (blue-blind)

#485D77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #633fbb;
/* rgb */ color: rgb(99, 63, 187);
/* oklch */ color: oklch(48.0% 0.185 291.2);

Tailwind

colors: {
  custom: {
    50: '#9776d0',
    500: '#633fbb',
    950: '#000000',
  },
}

SCSS

$custom: #633fbb;
$custom-light: #9776d0;
$custom-dark: #000000;

JSON

{
  "hex": "#633fbb",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 257.419,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48043,
    "c": 0.18452,
    "h": 291.2
  },
  "luminance": 0.09796
}

Semantic roles & 50–950 ramp

primary

#633FBB

secondary

#B7C88E

accent

#D94FB1

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #633FBB

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

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