#645E78#645E78

#645E78 is a mid, muted violet. Relative luminance 0.121; OKLCH L 49.7% C 0.042 H 295.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#645E78
RGB	rgb(100, 94, 120)
HSL	hsl(254, 12%, 42%)
HSV	hsv(254, 22%, 47%)
CMYK	cmyk(16.7%, 21.7%, 0%, 52.9%)
CIE-LAB	lab(41.33, 8.16, -13.76)
CIE-LCH	lch(41.33, 15.99, 300.68°)
OKLab	oklab(49.73% 0.0178 -0.0375)
OKLCH	oklch(49.73% 0.042 295.4)
XYZ	xyz(12.6477, 12.0707, 19.4292)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E78 #72785E

analogous

#5E6578 #645E78 #715E78

triadic

#645E78 #78645E #5E7864

tetradic

#645E78 #785E65 #72785E #5E7871

square

#645E78 #785E65 #72785E #5E7871

split-complementary

#645E78 #78715E #65785E

monochromatic

#2B2833 #474356 #645E78 #827B98 #A39EB3

Accessibility & contrast

On white

6.15

#645E78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#645E78 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E78

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E78	#FFFFFF	#000000	##FFFFFF
##645E78	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596279

Deuteranopia (green-blind)

#596177

Tritanopia (blue-blind)

#606267

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #645e78;
/* rgb */ color: rgb(100, 94, 120);
/* oklch */ color: oklch(49.7% 0.042 295.4);

Tailwind

colors: {
  custom: {
    50: '#908b9f',
    500: '#645e78',
    950: '#000000',
  },
}

SCSS

$custom: #645e78;
$custom-light: #908b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#645e78",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 120
  },
  "hsl": {
    "h": 253.846,
    "s": 12.15,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4973,
    "c": 0.04152,
    "h": 295.4
  },
  "luminance": 0.12071
}

Semantic roles & 50–950 ramp

primary

#645E78

secondary

#9EA290

accent

#B573A6

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0E

muted

#7D7D7E

Preview Lab

Preview with #645E78

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

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