#645498#645498

#645498 is a mid, moderate violet. Relative luminance 0.113; OKLCH L 49.3% C 0.107 H 292.9°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#645498
RGB	rgb(100, 84, 152)
HSL	hsl(254, 29%, 46%)
HSV	hsv(254, 45%, 60%)
CMYK	cmyk(34.2%, 44.7%, 0%, 40.4%)
CIE-LAB	lab(40.11, 22.79, -35.03)
CIE-LCH	lch(40.11, 41.79, 303.04°)
OKLab	oklab(49.28% 0.0415 -0.0985)
OKLCH	oklch(49.28% 0.107 292.9)
XYZ	xyz(14.0919, 11.3167, 31.1416)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645498 #889854

analogous

#546698 #645498 #865498

triadic

#645498 #986454 #549864

tetradic

#645498 #985466 #889854 #549886

square

#645498 #985466 #889854 #549886

split-complementary

#645498 #988654 #669854

monochromatic

#302849 #4A3E71 #645498 #8476B3 #A89DC9

Accessibility & contrast

On white

6.44

#645498 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#645498 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645498

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645498	#FFFFFF	#000000	##FFFFFF
##645498	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5F9B

Deuteranopia (green-blind)

#405D96

Tritanopia (blue-blind)

#58616E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645498;
/* rgb */ color: rgb(100, 84, 152);
/* oklch */ color: oklch(49.3% 0.107 292.9);

Tailwind

colors: {
  custom: {
    50: '#9284b6',
    500: '#645498',
    950: '#000000',
  },
}

SCSS

$custom: #645498;
$custom-light: #9284b6;
$custom-dark: #000000;

JSON

{
  "hex": "#645498",
  "rgb": {
    "r": 100,
    "g": 84,
    "b": 152
  },
  "hsl": {
    "h": 254.118,
    "s": 28.814,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49281,
    "c": 0.10687,
    "h": 292.9
  },
  "luminance": 0.11317
}

Semantic roles & 50–950 ramp

primary

#645498

secondary

#AEB692

accent

#C563AE

background

#F9F8FB

surface

#F1EFF6

border

#CBCAD0

text

#0D0B11

muted

#7E7C80

Preview Lab

Preview with #645498

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

Preview Lab → · Contrast checker → · Palette generator →