#634ECB#634ECB

#634ECB is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.6% C 0.185 H 285.6°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#634ECB
RGB	rgb(99, 78, 203)
HSL	hsl(250, 55%, 55%)
HSV	hsv(250, 62%, 80%)
CMYK	cmyk(51.2%, 61.6%, 0%, 20.4%)
CIE-LAB	lab(41.86, 41.11, -62.27)
CIE-LCH	lch(41.86, 74.62, 303.44°)
OKLab	oklab(51.61% 0.0498 -0.1784)
OKLCH	oklch(51.61% 0.185 285.6)
XYZ	xyz(18.6463, 12.4123, 57.9016)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634ECB #B6CB4E

analogous

#4E77CB #634ECB #A14ECB

triadic

#634ECB #CB634E #4ECB63

tetradic

#634ECB #CB4E77 #B6CB4E #4ECBA1

square

#634ECB #CB4E77 #B6CB4E #4ECBA1

split-complementary

#634ECB #CBA14E #77CB4E

monochromatic

#33247B #4632AA #634ECB #8D7DD9 #B6ADE7

Accessibility & contrast

On white

6.03

#634ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#634ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634ECB

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634ECB	#FFFFFF	#000000	##FFFFFF
##634ECB	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#3B6C85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #634ecb;
/* rgb */ color: rgb(99, 78, 203);
/* oklch */ color: oklch(51.6% 0.185 285.6);

Tailwind

colors: {
  custom: {
    50: '#9880dc',
    500: '#634ecb',
    950: '#000000',
  },
}

SCSS

$custom: #634ecb;
$custom-light: #9880dc;
$custom-dark: #000000;

JSON

{
  "hex": "#634ecb",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 203
  },
  "hsl": {
    "h": 250.08,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51611,
    "c": 0.18527,
    "h": 285.6
  },
  "luminance": 0.12413
}

Semantic roles & 50–950 ramp

primary

#634ECB

secondary

#CCD5A0

accent

#DE4AC5

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #634ECB

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

Preview Lab → · Contrast checker → · Palette generator →