#673D7B#673D7B

#673D7B is a dark, moderate purple. Relative luminance 0.077; OKLCH L 43.7% C 0.109 H 313.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#673D7B
RGB	rgb(103, 61, 123)
HSL	hsl(281, 34%, 36%)
HSV	hsv(281, 50%, 48%)
CMYK	cmyk(16.3%, 50.4%, 0%, 51.8%)
CIE-LAB	lab(33.25, 30.18, -28.10)
CIE-LCH	lch(33.25, 41.24, 317.05°)
OKLab	oklab(43.7% 0.0753 -0.0782)
OKLCH	oklch(43.7% 0.109 313.9)
XYZ	xyz(10.8368, 7.6514, 19.6411)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673D7B #517B3D

analogous

#483D7B #673D7B #7B3D70

triadic

#673D7B #7B673D #3D7B67

tetradic

#673D7B #7B483D #517B3D #3D707B

square

#673D7B #7B483D #517B3D #3D707B

split-complementary

#673D7B #707B3D #3D7B48

monochromatic

#221429 #452952 #673D7B #8951A4 #A577BC

Accessibility & contrast

On white

8.30

#673D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#673D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673D7B

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673D7B	#FFFFFF	#000000	##FFFFFF
##673D7B	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304C7D

Deuteranopia (green-blind)

#3C4F79

Tritanopia (blue-blind)

#654656

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #673d7b;
/* rgb */ color: rgb(103, 61, 123);
/* oklch */ color: oklch(43.7% 0.109 313.9);

Tailwind

colors: {
  custom: {
    50: '#9474a1',
    500: '#673d7b',
    950: '#000000',
  },
}

SCSS

$custom: #673d7b;
$custom-light: #9474a1;
$custom-dark: #000000;

JSON

{
  "hex": "#673d7b",
  "rgb": {
    "r": 103,
    "g": 61,
    "b": 123
  },
  "hsl": {
    "h": 280.645,
    "s": 33.696,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43702,
    "c": 0.10855,
    "h": 313.9
  },
  "luminance": 0.07651
}

Semantic roles & 50–950 ramp

primary

#673D7B

secondary

#80A66E

accent

#CA5E81

background

#F9F7F9

surface

#F2EDF2

border

#CCC8CC

text

#0D080F

muted

#7E7B7E

Preview Lab

Preview with #673D7B

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

Preview Lab → · Contrast checker → · Palette generator →