#644EAF#644EAF

#644EAF is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.6% C 0.148 H 290.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#644EAF
RGB	rgb(100, 78, 175)
HSL	hsl(254, 38%, 50%)
HSV	hsv(254, 55%, 69%)
CMYK	cmyk(42.9%, 55.4%, 0%, 31.4%)
CIE-LAB	lab(40.00, 33.04, -48.91)
CIE-LCH	lch(40.00, 59.02, 304.04°)
OKLab	oklab(49.65% 0.0517 -0.1391)
OKLCH	oklch(49.65% 0.148 290.4)
XYZ	xyz(15.7156, 11.2527, 41.8931)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EAF #99AF4E

analogous

#4E69AF #644EAF #954EAF

triadic

#644EAF #AF644E #4EAF64

tetradic

#644EAF #AF4E69 #99AF4E #4EAF95

square

#644EAF #AF4E69 #99AF4E #4EAF95

split-complementary

#644EAF #AF954E #69AF4E

monochromatic

#34285A #4C3B85 #644EAF #8978C3 #AEA2D6

Accessibility & contrast

On white

6.46

#644EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#644EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EAF

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EAF	#FFFFFF	#000000	##FFFFFF
##644EAF	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C60B2

Deuteranopia (green-blind)

#205CAD

Tritanopia (blue-blind)

#4F6377

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644eaf;
/* rgb */ color: rgb(100, 78, 175);
/* oklch */ color: oklch(49.6% 0.148 290.4);

Tailwind

colors: {
  custom: {
    50: '#9580c7',
    500: '#644eaf',
    950: '#000000',
  },
}

SCSS

$custom: #644eaf;
$custom-light: #9580c7;
$custom-dark: #000000;

JSON

{
  "hex": "#644eaf",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 175
  },
  "hsl": {
    "h": 253.608,
    "s": 38.34,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49645,
    "c": 0.14842,
    "h": 290.4
  },
  "luminance": 0.11253
}

Semantic roles & 50–950 ramp

primary

#644EAF

secondary

#B9C396

accent

#CE5AB4

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644EAF

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

Preview Lab → · Contrast checker → · Palette generator →