#634EA5#634EA5

#634EA5 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 48.9% C 0.135 H 291.8°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#634EA5
RGB	rgb(99, 78, 165)
HSL	hsl(254, 36%, 48%)
HSV	hsv(254, 53%, 65%)
CMYK	cmyk(40%, 52.7%, 0%, 35.3%)
CIE-LAB	lab(39.27, 29.90, -44.15)
CIE-LCH	lch(39.27, 53.32, 304.11°)
OKLab	oklab(48.88% 0.05 -0.1252)
OKLCH	oklch(48.88% 0.135 291.8)
XYZ	xyz(14.6597, 10.8176, 36.9056)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634EA5 #90A54E

analogous

#4E64A5 #634EA5 #8E4EA5

triadic

#634EA5 #A5634E #4EA563

tetradic

#634EA5 #A54E64 #90A54E #4EA58E

square

#634EA5 #A54E64 #90A54E #4EA58E

split-complementary

#634EA5 #A58E4E #64A54E

monochromatic

#312752 #4A3A7B #634EA5 #8573BD #A99DD1

Accessibility & contrast

On white

6.64

#634EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#634EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634EA5

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634EA5	#FFFFFF	#000000	##FFFFFF
##634EA5	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295EA8

Deuteranopia (green-blind)

#2C5BA3

Tritanopia (blue-blind)

#526072

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #634ea5;
/* rgb */ color: rgb(99, 78, 165);
/* oklch */ color: oklch(48.9% 0.135 291.8);

Tailwind

colors: {
  custom: {
    50: '#9380c0',
    500: '#634ea5',
    950: '#000000',
  },
}

SCSS

$custom: #634ea5;
$custom-light: #9380c0;
$custom-dark: #000000;

JSON

{
  "hex": "#634ea5",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 165
  },
  "hsl": {
    "h": 254.483,
    "s": 35.802,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48875,
    "c": 0.13478,
    "h": 291.8
  },
  "luminance": 0.10818
}

Semantic roles & 50–950 ramp

primary

#634EA5

secondary

#B3BD91

accent

#CC5CB1

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #634EA5

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

Preview Lab → · Contrast checker → · Palette generator →