#645A6E#645A6E

#645A6E is a mid, muted violet. Relative luminance 0.111; OKLCH L 48.4% C 0.034 H 307.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#645A6E
RGB	rgb(100, 90, 110)
HSL	hsl(270, 10%, 39%)
HSV	hsv(270, 18%, 43%)
CMYK	cmyk(9.1%, 18.2%, 0%, 56.9%)
CIE-LAB	lab(39.83, 8.27, -9.90)
CIE-LCH	lch(39.83, 12.90, 309.86°)
OKLab	oklab(48.44% 0.0207 -0.0267)
OKLCH	oklch(48.44% 0.034 307.7)
XYZ	xyz(11.7257, 11.1475, 16.2828)
Luminance	0.1115 (WCAG relative)
Temperature	neutral
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A6E #646E5A

analogous

#5A5A6E #645A6E #6E5A6E

triadic

#645A6E #6E645A #5A6E64

tetradic

#645A6E #6E5A5A #646E5A #5A6E6E

square

#645A6E #6E5A5A #646E5A #5A6E6E

split-complementary

#645A6E #6E6E5A #5A6E5A

monochromatic

#27232B #453E4C #645A6E #83768F #A198AB

Accessibility & contrast

On white

6.50

#645A6E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#645A6E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A6E

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A6E	#FFFFFF	#000000	##FFFFFF
##645A6E	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575D6F

Deuteranopia (green-blind)

#595E6D

Tritanopia (blue-blind)

#635C61

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645a6e;
/* rgb */ color: rgb(100, 90, 110);
/* oklch */ color: oklch(48.4% 0.034 307.7);

Tailwind

colors: {
  custom: {
    50: '#908897',
    500: '#645a6e',
    950: '#000000',
  },
}

SCSS

$custom: #645a6e;
$custom-light: #908897;
$custom-dark: #000000;

JSON

{
  "hex": "#645a6e",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 110
  },
  "hsl": {
    "h": 270,
    "s": 10,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48443,
    "c": 0.0338,
    "h": 307.7
  },
  "luminance": 0.11147
}

Semantic roles & 50–950 ramp

primary

#645A6E

secondary

#929A8A

accent

#B37594

background

#F8F8F9

surface

#F0EFF2

border

#CBCACC

text

#0C0B0D

muted

#7D7C7E

Preview Lab

Preview with #645A6E

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

Preview Lab → · Contrast checker → · Palette generator →