#681D8B#681D8B

#681D8B is a dark, vivid purple. Relative luminance 0.057; OKLCH L 40.7% C 0.173 H 312.1°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#681D8B
RGB	rgb(104, 29, 139)
HSL	hsl(281, 65%, 33%)
HSV	hsv(281, 79%, 55%)
CMYK	cmyk(25.2%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(28.61, 49.96, -45.48)
CIE-LCH	lch(28.61, 67.56, 317.69°)
OKLab	oklab(40.7% 0.1163 -0.1287)
OKLCH	oklch(40.7% 0.174 312.1)
XYZ	xyz(10.8076, 5.6862, 24.9493)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681D8B #408B1D

analogous

#311D8B #681D8B #8B1D77

triadic

#681D8B #8B681D #1D8B68

tetradic

#681D8B #8B311D #408B1D #1D778B

square

#681D8B #8B311D #408B1D #1D778B

split-complementary

#681D8B #778B1D #1D8B31

monochromatic

#1C0826 #421258 #681D8B #8E28BE #AB49D9

Accessibility & contrast

On white

9.83

#681D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#681D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681D8B

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681D8B	#FFFFFF	#000000	##FFFFFF
##681D8B	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#084589

Tritanopia (blue-blind)

#643754

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #681d8b;
/* rgb */ color: rgb(104, 29, 139);
/* oklch */ color: oklch(40.7% 0.173 312.1);

Tailwind

colors: {
  custom: {
    50: '#9762ae',
    500: '#681d8b',
    950: '#000000',
  },
}

SCSS

$custom: #681d8b;
$custom-light: #9762ae;
$custom-dark: #000000;

JSON

{
  "hex": "#681d8b",
  "rgb": {
    "r": 104,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 280.909,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.407,
    "c": 0.1735,
    "h": 312.1
  },
  "luminance": 0.05686
}

Semantic roles & 50–950 ramp

primary

#681D8B

secondary

#6DBB49

accent

#E83F75

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #681D8B

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

Preview Lab → · Contrast checker → · Palette generator →