#633DBB#633DBB

#633DBB is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.8% C 0.187 H 291.6°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX#633DBB
RGBrgb(99, 61, 187)
HSLhsl(258, 51%, 49%)
HSVhsv(258, 67%, 73%)
CMYKcmyk(47.1%, 67.4%, 0%, 26.7%)
CIE-LABlab(37.07, 46.05, -60.73)
CIE-LCHlch(37.07, 76.22, 307.17°)
OKLaboklab(47.76% 0.0687 -0.1739)
OKLCHoklch(47.76% 0.187 291.6)
XYZxyz(15.7815, 9.5774, 48.0212)
Luminance0.0958 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#633DBB #95BB3D
analogous
#3D56BB #633DBB #A23DBB
triadic
#633DBB #BB633D #3DBB63
tetradic
#633DBB #BB3D56 #95BB3D #3DBBA2
square
#633DBB #BB3D56 #95BB3D #3DBBA2
split-complementary
#633DBB #BBA23D #56BB3D
monochromatic
#321F5F #4B2E8D #633DBB #8668CE #AB96DD

Accessibility & contrast

On white

7.20
#633DBB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#633DBB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633DBB
7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##633DBB#FFFFFF#000000##FFFFFF
##633DBB1.007.202.927.20
#FFFFFF7.201.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059BF
Deuteranopia (green-blind)
#0055B8
Tritanopia (blue-blind)
#485C77
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #633dbb;
/* rgb */ color: rgb(99, 61, 187);
/* oklch */ color: oklch(47.8% 0.187 291.6);
Tailwind
colors: {
  custom: {
    50: '#9775d0',
    500: '#633dbb',
    950: '#000000',
  },
}
SCSS
$custom: #633dbb;
$custom-light: #9775d0;
$custom-dark: #000000;
JSON
{
  "hex": "#633dbb",
  "rgb": {
    "r": 99,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 258.095,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47757,
    "c": 0.18702,
    "h": 291.6
  },
  "luminance": 0.09578
}

Semantic roles & 50–950 ramp

primary
#633DBB
secondary
#B6C88C
accent
#DA4EB0
background
#F9F7FC
surface
#F2EDF9
border
#CCC8D2
text
#0E0814
muted
#7E7B82

Preview Lab

Preview with #633DBB

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

Preview Lab → · Contrast checker → · Palette generator →

#633DBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva