#645A7A#645A7A

#645A7A is a mid, muted violet. Relative luminance 0.114; OKLCH L 49.0% C 0.052 H 298.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#645A7A
RGB	rgb(100, 90, 122)
HSL	hsl(259, 15%, 42%)
HSV	hsv(259, 26%, 48%)
CMYK	cmyk(18%, 26.2%, 0%, 52.2%)
CIE-LAB	lab(40.29, 11.12, -16.56)
CIE-LCH	lch(40.29, 19.95, 303.88°)
OKLab	oklab(48.95% 0.0249 -0.0454)
OKLCH	oklch(48.95% 0.052 298.8)
XYZ	xyz(12.4238, 11.4267, 19.9596)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A7A #707A5A

analogous

#5A607A #645A7A #745A7A

triadic

#645A7A #7A645A #5A7A64

tetradic

#645A7A #7A5A60 #707A5A #5A7A74

square

#645A7A #7A5A60 #707A5A #5A7A74

split-complementary

#645A7A #7A745A #607A5A

monochromatic

#2A2634 #474057 #645A7A #82779A #A29AB4

Accessibility & contrast

On white

6.39

#645A7A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#645A7A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A7A

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A7A	#FFFFFF	#000000	##FFFFFF
##645A7A	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535F7B

Deuteranopia (green-blind)

#555F79

Tritanopia (blue-blind)

#605F65

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #645a7a;
/* rgb */ color: rgb(100, 90, 122);
/* oklch */ color: oklch(49.0% 0.052 298.8);

Tailwind

colors: {
  custom: {
    50: '#9088a0',
    500: '#645a7a',
    950: '#000000',
  },
}

SCSS

$custom: #645a7a;
$custom-light: #9088a0;
$custom-dark: #000000;

JSON

{
  "hex": "#645a7a",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 122
  },
  "hsl": {
    "h": 258.75,
    "s": 15.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48953,
    "c": 0.05176,
    "h": 298.8
  },
  "luminance": 0.11427
}

Semantic roles & 50–950 ramp

primary

#645A7A

secondary

#9CA38D

accent

#B870A1

background

#F8F8F9

surface

#F0EFF2

border

#CBCACC

text

#0C0B0E

muted

#7D7C7E

Preview Lab

Preview with #645A7A

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

Preview Lab → · Contrast checker → · Palette generator →