#644F71#644F71

#644F71 is a mid, muted violet. Relative luminance 0.095; OKLCH L 46.2% C 0.060 H 312.1°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#644F71
RGB	rgb(100, 79, 113)
HSL	hsl(277, 18%, 38%)
HSV	hsv(277, 30%, 44%)
CMYK	cmyk(11.5%, 30.1%, 0%, 55.7%)
CIE-LAB	lab(36.92, 15.80, -16.18)
CIE-LCH	lch(36.92, 22.62, 314.31°)
OKLab	oklab(46.24% 0.04 -0.0442)
OKLCH	oklch(46.24% 0.06 312.1)
XYZ	xyz(11.0316, 9.4937, 16.8709)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F71 #5C714F

analogous

#534F71 #644F71 #714F6D

triadic

#644F71 #71644F #4F7164

tetradic

#644F71 #71534F #5C714F #4F6D71

square

#644F71 #71534F #5C714F #4F6D71

split-complementary

#644F71 #6D714F #4F7153

monochromatic

#241D29 #44364D #644F71 #846895 #A18CAF

Accessibility & contrast

On white

7.24

#644F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#644F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F71

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F71	#FFFFFF	#000000	##FFFFFF
##644F71	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5672

Deuteranopia (green-blind)

#4E5770

Tritanopia (blue-blind)

#63535B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #644f71;
/* rgb */ color: rgb(100, 79, 113);
/* oklch */ color: oklch(46.2% 0.060 312.1);

Tailwind

colors: {
  custom: {
    50: '#90809a',
    500: '#644f71',
    950: '#000000',
  },
}

SCSS

$custom: #644f71;
$custom-light: #90809a;
$custom-dark: #000000;

JSON

{
  "hex": "#644f71",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 113
  },
  "hsl": {
    "h": 277.059,
    "s": 17.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.46238,
    "c": 0.05963,
    "h": 312.1
  },
  "luminance": 0.09494
}

Semantic roles & 50–950 ramp

primary

#644F71

secondary

#8B9C80

accent

#BA6D8B

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C0A0E

muted

#7D7C7E

Preview Lab

Preview with #644F71

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

Preview Lab → · Contrast checker → · Palette generator →