#634EA4#634EA4

#634EA4 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 48.8% C 0.133 H 292.0°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#634EA4
RGB	rgb(99, 78, 164)
HSL	hsl(255, 36%, 47%)
HSV	hsv(255, 52%, 64%)
CMYK	cmyk(39.6%, 52.4%, 0%, 35.7%)
CIE-LAB	lab(39.21, 29.61, -43.65)
CIE-LCH	lch(39.21, 52.75, 304.15°)
OKLab	oklab(48.81% 0.0499 -0.1237)
OKLCH	oklch(48.81% 0.133 292)
XYZ	xyz(14.5690, 10.7814, 36.4282)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634EA4 #8FA44E

analogous

#4E64A4 #634EA4 #8E4EA4

triadic

#634EA4 #A4634E #4EA463

tetradic

#634EA4 #A44E64 #8FA44E #4EA48E

square

#634EA4 #A44E64 #8FA44E #4EA48E

split-complementary

#634EA4 #A48E4E #64A44E

monochromatic

#312751 #4A3A7B #634EA4 #8573BC #A99CD0

Accessibility & contrast

On white

6.65

#634EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#634EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634EA4

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634EA4	#FFFFFF	#000000	##FFFFFF
##634EA4	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5EA7

Deuteranopia (green-blind)

#2D5BA2

Tritanopia (blue-blind)

#526071

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #634ea4;
/* rgb */ color: rgb(99, 78, 164);
/* oklch */ color: oklch(48.8% 0.133 292.0);

Tailwind

colors: {
  custom: {
    50: '#9380bf',
    500: '#634ea4',
    950: '#000000',
  },
}

SCSS

$custom: #634ea4;
$custom-light: #9380bf;
$custom-dark: #000000;

JSON

{
  "hex": "#634ea4",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 164
  },
  "hsl": {
    "h": 254.651,
    "s": 35.537,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48809,
    "c": 0.1334,
    "h": 292
  },
  "luminance": 0.10782
}

Semantic roles & 50–950 ramp

primary

#634EA4

secondary

#B2BD91

accent

#CC5CB0

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #634EA4

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

Preview Lab → · Contrast checker → · Palette generator →