#8564A7

A color in the Violet family

#8564a7 is a color in the Violet family: RGB(133, 100, 167), HSL(270°, 28%, 52%), CMYK(20%, 40%, 0%, 35%). Closest named color: slateblue. Contrast is 4.8:1 on white and 4.38:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#8564a7
RGBrgb(133 100 167)
RGB (legacy)rgb(133, 100, 167)
RGB %rgb(52% 39% 65%)
HSLhsl(270 28% 52%)
HSV / HSBhsv(270, 40%, 65%)
HWBhwb(270 39% 35%)
CMYKcmyk(20%, 40%, 0%, 35%)
CIELAB (D50)lab(47.88 23.89 -31.27)
LCHlch(47.88 39.35 307.37)
OKLaboklab(0.5636 0.0625 -0.0863)
OKLCHoklch(0.5636 0.1066 305.92)
Decimal8742055

Properties

Color ToneViolet
Closest named colorslateblue ΔE 8.3
Closest web-safe color#996699
Hue270°
Saturation (HSL / HSV)28% / 40%
Lightness (HSL)52%
Brightness or Value (HSV)65%
Luminance (Rec.601 / Rec.709)46% / 44%
Relative luminance (WCAG)0.1689
Red / Green / Blue133 / 100 / 167

WCAG 2.2 Contrast Ratio

On White (#ffffff)
4.80:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
4.38:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 73.2 / -28.5 · As background with white / black text: Lc -78.6 / 30.9

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #8564a7;
  --color-brand-oklch: oklch(56.36% 0.1066 305.92);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(133 100 167 / 50%); }
/* Tailwind CSS */
<div class="bg-[#8564a7] text-[#8564a7] border-[#8564a7]">