#6437A7#6437A7

#6437A7 is a mid, vivid violet. Relative luminance 0.082; OKLCH L 45.4% C 0.171 H 297.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#6437A7
RGB	rgb(100, 55, 167)
HSL	hsl(264, 50%, 44%)
HSV	hsv(264, 67%, 65%)
CMYK	cmyk(40.1%, 67.1%, 0%, 34.5%)
CIE-LAB	lab(34.46, 43.99, -53.10)
CIE-LCH	lch(34.46, 68.95, 309.64°)
OKLab	oklab(45.42% 0.0792 -0.1514)
OKLCH	oklch(45.42% 0.171 297.6)
XYZ	xyz(13.5950, 8.2315, 37.4243)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6437A7 #7AA737

analogous

#3742A7 #6437A7 #9C37A7

triadic

#6437A7 #A76437 #37A764

tetradic

#6437A7 #A73742 #7AA737 #37A79C

square

#6437A7 #A73742 #7AA737 #37A79C

split-complementary

#6437A7 #A79C37 #42A737

monochromatic

#2D194B #482879 #6437A7 #8254C7 #A482D6

Accessibility & contrast

On white

7.94

#6437A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#6437A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437A7

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6437A7	#FFFFFF	#000000	##FFFFFF
##6437A7	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AA

Deuteranopia (green-blind)

#0050A5

Tritanopia (blue-blind)

#54516A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #6437a7;
/* rgb */ color: rgb(100, 55, 167);
/* oklch */ color: oklch(45.4% 0.171 297.6);

Tailwind

colors: {
  custom: {
    50: '#9571c2',
    500: '#6437a7',
    950: '#000000',
  },
}

SCSS

$custom: #6437a7;
$custom-light: #9571c2;
$custom-dark: #000000;

JSON

{
  "hex": "#6437a7",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 167
  },
  "hsl": {
    "h": 264.107,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4542,
    "c": 0.17089,
    "h": 297.6
  },
  "luminance": 0.08232
}

Semantic roles & 50–950 ramp

primary

#6437A7

secondary

#A4C07A

accent

#DA4EA2

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #6437A7

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

Preview Lab → · Contrast checker → · Palette generator →