#781B9B#781B9B

#781B9B is a dark, vivid purple. Relative luminance 0.071; OKLCH L 44.1% C 0.195 H 314.2°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#781B9B
RGB	rgb(120, 27, 155)
HSL	hsl(284, 70%, 36%)
HSV	hsv(284, 83%, 61%)
CMYK	cmyk(22.6%, 82.6%, 0%, 39.2%)
CIE-LAB	lab(32.13, 56.92, -49.49)
CIE-LCH	lch(32.13, 75.43, 319.00°)
OKLab	oklab(44.07% 0.1361 -0.14)
OKLCH	oklch(44.07% 0.195 314.2)
XYZ	xyz(14.0530, 7.1440, 31.6427)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#781B9B #3E9B1B

analogous

#381B9B #781B9B #9B1B7E

triadic

#781B9B #9B781B #1B9B78

tetradic

#781B9B #9B381B #3E9B1B #1B7E9B

square

#781B9B #9B381B #3E9B1B #1B7E9B

split-complementary

#781B9B #7E9B1B #1B9B38

monochromatic

#270933 #501267 #781B9B #A024CF #B950E0

Accessibility & contrast

On white

8.65

#781B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#781B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #781B9B

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##781B9B	#FFFFFF	#000000	##FFFFFF
##781B9B	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#0C4E98

Tritanopia (blue-blind)

#753B5C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #781b9b;
/* rgb */ color: rgb(120, 27, 155);
/* oklch */ color: oklch(44.1% 0.195 314.2);

Tailwind

colors: {
  custom: {
    50: '#a465b9',
    500: '#781b9b',
    950: '#000000',
  },
}

SCSS

$custom: #781b9b;
$custom-light: #a465b9;
$custom-dark: #000000;

JSON

{
  "hex": "#781b9b",
  "rgb": {
    "r": 120,
    "g": 27,
    "b": 155
  },
  "hsl": {
    "h": 283.594,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44069,
    "c": 0.1952,
    "h": 314.2
  },
  "luminance": 0.07143
}

Semantic roles & 50–950 ramp

primary

#781B9B

secondary

#6FC34F

accent

#ED3B6B

background

#FAF6FB

surface

#F4EBF6

border

#CEC6D0

text

#100612

muted

#7F7A81

Preview Lab

Preview with #781B9B

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

Preview Lab → · Contrast checker → · Palette generator →