#645A72#645A72

#645A72 is a mid, muted violet. Relative luminance 0.112; OKLCH L 48.6% C 0.040 H 303.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#645A72
RGB	rgb(100, 90, 114)
HSL	hsl(265, 12%, 40%)
HSV	hsv(265, 21%, 45%)
CMYK	cmyk(12.3%, 21.1%, 0%, 55.3%)
CIE-LAB	lab(39.98, 9.20, -12.14)
CIE-LCH	lch(39.98, 15.23, 307.15°)
OKLab	oklab(48.61% 0.0222 -0.0329)
OKLCH	oklch(48.61% 0.04 303.9)
XYZ	xyz(11.9484, 11.2366, 17.4557)
Luminance	0.1124 (WCAG relative)
Temperature	neutral
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A72 #68725A

analogous

#5A5C72 #645A72 #705A72

triadic

#645A72 #72645A #5A7264

tetradic

#645A72 #725A5C #68725A #5A7270

square

#645A72 #725A5C #68725A #5A7270

split-complementary

#645A72 #72705A #5C725A

monochromatic

#28242E #463F50 #645A72 #827693 #A198AE

Accessibility & contrast

On white

6.47

#645A72 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#645A72 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A72

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A72	#FFFFFF	#000000	##FFFFFF
##645A72	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565E73

Deuteranopia (green-blind)

#585E71

Tritanopia (blue-blind)

#625D62

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645a72;
/* rgb */ color: rgb(100, 90, 114);
/* oklch */ color: oklch(48.6% 0.040 303.9);

Tailwind

colors: {
  custom: {
    50: '#90889a',
    500: '#645a72',
    950: '#000000',
  },
}

SCSS

$custom: #645a72;
$custom-light: #90889a;
$custom-dark: #000000;

JSON

{
  "hex": "#645a72",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 114
  },
  "hsl": {
    "h": 265,
    "s": 11.765,
    "l": 40
  },
  "oklch": {
    "l": 0.48607,
    "c": 0.0397,
    "h": 303.9
  },
  "luminance": 0.11237
}

Semantic roles & 50–950 ramp

primary

#645A72

secondary

#959D8B

accent

#B57399

background

#F8F8F9

surface

#F0EFF2

border

#CBCACC

text

#0C0B0E

muted

#7D7C7E

Preview Lab

Preview with #645A72

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

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