#634CCF#634CCF

#634CCF is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.6% C 0.193 H 285.5°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#634CCF
RGB	rgb(99, 76, 207)
HSL	hsl(251, 58%, 55%)
HSV	hsv(251, 63%, 81%)
CMYK	cmyk(52.2%, 63.3%, 0%, 18.8%)
CIE-LAB	lab(41.73, 43.47, -64.80)
CIE-LCH	lch(41.73, 78.03, 303.85°)
OKLab	oklab(51.61% 0.0515 -0.1859)
OKLCH	oklch(51.61% 0.193 285.5)
XYZ	xyz(18.9891, 12.3255, 60.3979)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634CCF #B8CF4C

analogous

#4C77CF #634CCF #A44CCF

triadic

#634CCF #CF634C #4CCF63

tetradic

#634CCF #CF4C77 #B8CF4C #4CCFA4

square

#634CCF #CF4C77 #B8CF4C #4CCFA4

split-complementary

#634CCF #CFA44C #77CF4C

monochromatic

#32227F #452FAF #634CCF #8D7CDC #B7ADE9

Accessibility & contrast

On white

6.06

#634CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#634CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634CCF

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634CCF	#FFFFFF	#000000	##FFFFFF
##634CCF	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#386C86

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #634ccf;
/* rgb */ color: rgb(99, 76, 207);
/* oklch */ color: oklch(51.6% 0.193 285.5);

Tailwind

colors: {
  custom: {
    50: '#987fdf',
    500: '#634ccf',
    950: '#000000',
  },
}

SCSS

$custom: #634ccf;
$custom-light: #987fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#634ccf",
  "rgb": {
    "r": 99,
    "g": 76,
    "b": 207
  },
  "hsl": {
    "h": 250.534,
    "s": 57.709,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51607,
    "c": 0.19289,
    "h": 285.5
  },
  "luminance": 0.12327
}

Semantic roles & 50–950 ramp

primary

#634CCF

secondary

#CDD7A0

accent

#E147C6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #634CCF

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

Preview Lab → · Contrast checker → · Palette generator →