#644F87#644F87

#644F87 is a mid, moderate violet. Relative luminance 0.101; OKLCH L 47.3% C 0.091 H 300.2°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#644F87
RGB	rgb(100, 79, 135)
HSL	hsl(263, 26%, 42%)
HSV	hsv(263, 41%, 53%)
CMYK	cmyk(25.9%, 41.5%, 0%, 47.1%)
CIE-LAB	lab(37.93, 21.28, -28.16)
CIE-LCH	lch(37.93, 35.30, 307.08°)
OKLab	oklab(47.35% 0.0458 -0.0785)
OKLCH	oklch(47.35% 0.091 300.2)
XYZ	xyz(12.4237, 10.0505, 24.2024)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F87 #72874F

analogous

#4F5687 #644F87 #804F87

triadic

#644F87 #87644F #4F8764

tetradic

#644F87 #874F56 #72874F #4F8780

square

#644F87 #874F56 #72874F #4F8780

split-complementary

#644F87 #87804F #56874F

monochromatic

#2B223A #473860 #644F87 #826BA8 #A391BF

Accessibility & contrast

On white

6.98

#644F87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#644F87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644F87

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F87	#FFFFFF	#000000	##FFFFFF
##644F87	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415989

Deuteranopia (green-blind)

#455986

Tritanopia (blue-blind)

#5D5864

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #644f87;
/* rgb */ color: rgb(100, 79, 135);
/* oklch */ color: oklch(47.3% 0.091 300.2);

Tailwind

colors: {
  custom: {
    50: '#9180aa',
    500: '#644f87',
    950: '#000000',
  },
}

SCSS

$custom: #644f87;
$custom-light: #9180aa;
$custom-dark: #000000;

JSON

{
  "hex": "#644f87",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 135
  },
  "hsl": {
    "h": 262.5,
    "s": 26.168,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47345,
    "c": 0.09086,
    "h": 300.2
  },
  "luminance": 0.10051
}

Semantic roles & 50–950 ramp

primary

#644F87

secondary

#9EAC86

accent

#C365A0

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644F87

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

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