#6437B3#6437B3

#6437B3 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.4% C 0.185 H 294.7°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#6437B3
RGB	rgb(100, 55, 179)
HSL	hsl(262, 53%, 46%)
HSV	hsv(262, 69%, 70%)
CMYK	cmyk(44.1%, 69.3%, 0%, 29.8%)
CIE-LAB	lab(35.39, 47.21, -58.74)
CIE-LCH	lch(35.39, 75.36, 308.79°)
OKLab	oklab(46.38% 0.0774 -0.168)
OKLCH	oklch(46.38% 0.185 294.7)
XYZ	xyz(14.7562, 8.6960, 43.5401)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6437B3 #86B337

analogous

#3748B3 #6437B3 #A237B3

triadic

#6437B3 #B36437 #37B364

tetradic

#6437B3 #B33748 #86B337 #37B3A2

square

#6437B3 #B33748 #86B337 #37B3A2

split-complementary

#6437B3 #B3A237 #48B337

monochromatic

#301A55 #4A2984 #6437B3 #845BCD #A78ADB

Accessibility & contrast

On white

7.67

#6437B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#6437B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437B3

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6437B3	#FFFFFF	#000000	##FFFFFF
##6437B3	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#4E5671

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #6437b3;
/* rgb */ color: rgb(100, 55, 179);
/* oklch */ color: oklch(46.4% 0.185 294.7);

Tailwind

colors: {
  custom: {
    50: '#9771cb',
    500: '#6437b3',
    950: '#000000',
  },
}

SCSS

$custom: #6437b3;
$custom-light: #9771cb;
$custom-dark: #000000;

JSON

{
  "hex": "#6437b3",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 261.774,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4638,
    "c": 0.185,
    "h": 294.7
  },
  "luminance": 0.08696
}

Semantic roles & 50–950 ramp

primary

#6437B3

secondary

#ACC581

accent

#DC4BA8

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #6437B3

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

Preview Lab → · Contrast checker → · Palette generator →