#6818B3#6818B3

#6818B3 is a dark, highly saturated violet. Relative luminance 0.069; OKLCH L 43.7% C 0.215 H 300.1°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#6818B3
RGB	rgb(104, 24, 179)
HSL	hsl(271, 76%, 40%)
HSV	hsv(271, 87%, 70%)
CMYK	cmyk(41.9%, 86.6%, 0%, 29.8%)
CIE-LAB	lab(31.46, 60.53, -65.14)
CIE-LCH	lch(31.46, 88.93, 312.90°)
OKLab	oklab(43.74% 0.108 -0.1865)
OKLCH	oklch(43.74% 0.215 300.1)
XYZ	xyz(14.1702, 6.8508, 43.2149)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6818B3 #63B318

analogous

#1B18B3 #6818B3 #B318B0

triadic

#6818B3 #B36818 #18B368

tetradic

#6818B3 #B31B18 #63B318 #18B0B3

square

#6818B3 #B31B18 #63B318 #18B0B3

split-complementary

#6818B3 #B0B318 #18B31B

monochromatic

#290A47 #49117D #6818B3 #8726E2 #A55CE9

Accessibility & contrast

On white

8.86

#6818B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#6818B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6818B3

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6818B3	#FFFFFF	#000000	##FFFFFF
##6818B3	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB7

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#56486A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #6818b3;
/* rgb */ color: rgb(104, 24, 179);
/* oklch */ color: oklch(43.7% 0.215 300.1);

Tailwind

colors: {
  custom: {
    50: '#9b63cb',
    500: '#6818b3',
    950: '#000000',
  },
}

SCSS

$custom: #6818b3;
$custom-light: #9b63cb;
$custom-dark: #000000;

JSON

{
  "hex": "#6818b3",
  "rgb": {
    "r": 104,
    "g": 24,
    "b": 179
  },
  "hsl": {
    "h": 270.968,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43738,
    "c": 0.21547,
    "h": 300.1
  },
  "luminance": 0.06851
}

Semantic roles & 50–950 ramp

primary

#6818B3

secondary

#92CD5A

accent

#F33591

background

#FAF6FC

surface

#F4EBF9

border

#CEC6D2

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #6818B3

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

Preview Lab → · Contrast checker → · Palette generator →