#673B91#673B91

#673B91 is a dark, vivid violet. Relative luminance 0.081; OKLCH L 44.8% C 0.139 H 305.0°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#673B91
RGB	rgb(103, 59, 145)
HSL	hsl(271, 42%, 40%)
HSV	hsv(271, 59%, 57%)
CMYK	cmyk(29%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(34.10, 36.74, -40.34)
CIE-LCH	lch(34.10, 54.56, 312.33°)
OKLab	oklab(44.75% 0.0799 -0.1139)
OKLCH	oklch(44.75% 0.139 305)
XYZ	xyz(12.2672, 8.0559, 27.6913)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673B91 #65913B

analogous

#3C3B91 #673B91 #913B90

triadic

#673B91 #91673B #3B9167

tetradic

#673B91 #913C3B #65913B #3B9091

square

#673B91 #913C3B #65913B #3B9091

split-complementary

#673B91 #90913B #3B913C

monochromatic

#29183A #482966 #673B91 #8651B8 #A47CCA

Accessibility & contrast

On white

8.04

#673B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#673B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B91

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673B91	#FFFFFF	#000000	##FFFFFF
##673B91	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174F94

Deuteranopia (green-blind)

#2A508F

Tritanopia (blue-blind)

#604C60

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #673b91;
/* rgb */ color: rgb(103, 59, 145);
/* oklch */ color: oklch(44.8% 0.139 305.0);

Tailwind

colors: {
  custom: {
    50: '#9573b2',
    500: '#673b91',
    950: '#000000',
  },
}

SCSS

$custom: #673b91;
$custom-light: #9573b2;
$custom-dark: #000000;

JSON

{
  "hex": "#673b91",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 270.698,
    "s": 42.157,
    "l": 40
  },
  "oklch": {
    "l": 0.4475,
    "c": 0.13907,
    "h": 305
  },
  "luminance": 0.08056
}

Semantic roles & 50–950 ramp

primary

#673B91

secondary

#93B474

accent

#D25692

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0811

muted

#7E7B80

Preview Lab

Preview with #673B91

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

Preview Lab → · Contrast checker → · Palette generator →