#645B89#645B89

#645B89 is a mid, moderate violet. Relative luminance 0.120; OKLCH L 49.9% C 0.073 H 292.5°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#645B89
RGB	rgb(100, 91, 137)
HSL	hsl(252, 20%, 45%)
HSV	hsv(252, 34%, 54%)
CMYK	cmyk(27%, 33.6%, 0%, 46.3%)
CIE-LAB	lab(41.21, 14.34, -24.26)
CIE-LCH	lch(41.21, 28.18, 300.59°)
OKLab	oklab(49.88% 0.0279 -0.0673)
OKLCH	oklch(49.88% 0.073 292.5)
XYZ	xyz(13.5109, 11.9974, 25.2660)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645B89 #80895B

analogous

#5B6989 #645B89 #7B5B89

triadic

#645B89 #89645B #5B8964

tetradic

#645B89 #895B69 #80895B #5B897B

square

#645B89 #895B69 #80895B #5B897B

split-complementary

#645B89 #897B5B #69895B

monochromatic

#2E2A3F #494364 #645B89 #837AA7 #A59FBF

Accessibility & contrast

On white

6.18

#645B89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#645B89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645B89

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645B89	#FFFFFF	#000000	##FFFFFF
##645B89	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F628B

Deuteranopia (green-blind)

#506088

Tritanopia (blue-blind)

#5C636C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #645b89;
/* rgb */ color: rgb(100, 91, 137);
/* oklch */ color: oklch(49.9% 0.073 292.5);

Tailwind

colors: {
  custom: {
    50: '#9189ab',
    500: '#645b89',
    950: '#000000',
  },
}

SCSS

$custom: #645b89;
$custom-light: #9189ab;
$custom-dark: #000000;

JSON

{
  "hex": "#645b89",
  "rgb": {
    "r": 100,
    "g": 91,
    "b": 137
  },
  "hsl": {
    "h": 251.739,
    "s": 20.175,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49876,
    "c": 0.07285,
    "h": 292.5
  },
  "luminance": 0.11998
}

Semantic roles & 50–950 ramp

primary

#645B89

secondary

#A8AD92

accent

#BD6BAD

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0D0B10

muted

#7D7C7F

Preview Lab

Preview with #645B89

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

Preview Lab → · Contrast checker → · Palette generator →