#645C7C#645C7C

#645C7C is a mid, muted violet. Relative luminance 0.118; OKLCH L 49.5% C 0.051 H 295.9°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#645C7C
RGB	rgb(100, 92, 124)
HSL	hsl(255, 15%, 42%)
HSV	hsv(255, 26%, 49%)
CMYK	cmyk(19.4%, 25.8%, 0%, 51.4%)
CIE-LAB	lab(40.93, 10.38, -16.81)
CIE-LCH	lch(40.93, 19.75, 301.70°)
OKLab	oklab(49.47% 0.0224 -0.0461)
OKLCH	oklch(49.47% 0.051 295.9)
XYZ	xyz(12.7200, 11.8188, 20.6760)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C7C #747C5C

analogous

#5C647C #645C7C #745C7C

triadic

#645C7C #7C645C #5C7C64

tetradic

#645C7C #7C5C64 #747C5C #5C7C74

square

#645C7C #7C5C64 #747C5C #5C7C74

split-complementary

#645C7C #7C745C #647C5C

monochromatic

#2B2836 #484259 #645C7C #82799C #A39CB6

Accessibility & contrast

On white

6.24

#645C7C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#645C7C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C7C

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C7C	#FFFFFF	#000000	##FFFFFF
##645C7C	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617D

Deuteranopia (green-blind)

#56607B

Tritanopia (blue-blind)

#606167

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #645c7c;
/* rgb */ color: rgb(100, 92, 124);
/* oklch */ color: oklch(49.5% 0.051 295.9);

Tailwind

colors: {
  custom: {
    50: '#908aa2',
    500: '#645c7c',
    950: '#000000',
  },
}

SCSS

$custom: #645c7c;
$custom-light: #908aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#645c7c",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 124
  },
  "hsl": {
    "h": 255,
    "s": 14.815,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49472,
    "c": 0.05122,
    "h": 295.9
  },
  "luminance": 0.11819
}

Semantic roles & 50–950 ramp

primary

#645C7C

secondary

#9FA48F

accent

#B870A6

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0B0F

muted

#7D7C7E

Preview Lab

Preview with #645C7C

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

Preview Lab → · Contrast checker → · Palette generator →