#673F99#673F99

#673F99 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 45.9% C 0.143 H 301.5°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#673F99
RGB	rgb(103, 63, 153)
HSL	hsl(267, 42%, 42%)
HSV	hsv(267, 59%, 60%)
CMYK	cmyk(32.7%, 58.8%, 0%, 40%)
CIE-LAB	lab(35.48, 36.52, -43.00)
CIE-LCH	lch(35.48, 56.42, 310.34°)
OKLab	oklab(45.92% 0.0746 -0.1217)
OKLCH	oklch(45.92% 0.143 301.5)
XYZ	xyz(13.1194, 8.7384, 31.1263)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F99 #71993F

analogous

#3F4499 #673F99 #943F99

triadic

#673F99 #99673F #3F9967

tetradic

#673F99 #993F44 #71993F #3F9994

square

#673F99 #993F44 #71993F #3F9994

split-complementary

#673F99 #99943F #44993F

monochromatic

#2D1B42 #4A2D6E #673F99 #855ABB #A585CD

Accessibility & contrast

On white

7.64

#673F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#673F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F99

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F99	#FFFFFF	#000000	##FFFFFF
##673F99	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15539C

Deuteranopia (green-blind)

#275397

Tritanopia (blue-blind)

#5D5166

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #673f99;
/* rgb */ color: rgb(103, 63, 153);
/* oklch */ color: oklch(45.9% 0.143 301.5);

Tailwind

colors: {
  custom: {
    50: '#9676b8',
    500: '#673f99',
    950: '#000000',
  },
}

SCSS

$custom: #673f99;
$custom-light: #9676b8;
$custom-dark: #000000;

JSON

{
  "hex": "#673f99",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 153
  },
  "hsl": {
    "h": 266.667,
    "s": 41.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.14272,
    "h": 301.5
  },
  "luminance": 0.08738
}

Semantic roles & 50–950 ramp

primary

#673F99

secondary

#9DB77C

accent

#D1569B

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0811

muted

#7E7B80

Preview Lab

Preview with #673F99

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

Preview Lab → · Contrast checker → · Palette generator →