#645A70#645A70

#645A70 is a mid, muted violet. Relative luminance 0.112; OKLCH L 48.5% C 0.037 H 305.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#645A70
RGB	rgb(100, 90, 112)
HSL	hsl(267, 11%, 40%)
HSV	hsv(267, 20%, 44%)
CMYK	cmyk(10.7%, 19.6%, 0%, 56.1%)
CIE-LAB	lab(39.90, 8.73, -11.02)
CIE-LCH	lch(39.90, 14.06, 308.38°)
OKLab	oklab(48.52% 0.0214 -0.0298)
OKLCH	oklch(48.52% 0.037 305.7)
XYZ	xyz(11.8358, 11.1915, 16.8627)
Luminance	0.1119 (WCAG relative)
Temperature	neutral
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A70 #66705A

analogous

#5A5B70 #645A70 #6F5A70

triadic

#645A70 #70645A #5A7064

tetradic

#645A70 #705A5B #66705A #5A706F

square

#645A70 #705A5B #66705A #5A706F

split-complementary

#645A70 #706F5A #5B705A

monochromatic

#27232C #463F4E #645A70 #827691 #A198AC

Accessibility & contrast

On white

6.48

#645A70 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#645A70 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A70

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A70	#FFFFFF	#000000	##FFFFFF
##645A70	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565E71

Deuteranopia (green-blind)

#585E6F

Tritanopia (blue-blind)

#625D61

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645a70;
/* rgb */ color: rgb(100, 90, 112);
/* oklch */ color: oklch(48.5% 0.037 305.7);

Tailwind

colors: {
  custom: {
    50: '#908899',
    500: '#645a70',
    950: '#000000',
  },
}

SCSS

$custom: #645a70;
$custom-light: #908899;
$custom-dark: #000000;

JSON

{
  "hex": "#645a70",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 112
  },
  "hsl": {
    "h": 267.273,
    "s": 10.891,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48524,
    "c": 0.03674,
    "h": 305.7
  },
  "luminance": 0.11192
}

Semantic roles & 50–950 ramp

primary

#645A70

secondary

#949B8B

accent

#B47497

background

#F8F8F9

surface

#F0EFF2

border

#CBCACC

text

#0C0B0D

muted

#7D7C7E

Preview Lab

Preview with #645A70

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

Preview Lab → · Contrast checker → · Palette generator →