#8164DD
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.1% 0.177 291), rgb(129, 100, 221).
Aa
Black text reads best on this color (4.80:1).
About this color
#8164DD is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.177 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.028 away. Black text reads best on it, at 4.80:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #8164DD |
| RGB | rgb(129, 100, 221) |
| HSL | hsl(254, 64%, 63%) |
| OKLCH | oklch(59.1% 0.177 291) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #8164DD | 4.37:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #8164DD | 4.80:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #8164DD text on white | 4.37:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #8164DD text on black | 4.80:1 | AA | Lc -31.6 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D9D5F5
oklch(88.6% 0.044 291.2)
-
Step 300
300
#C0B8F1
oklch(80.9% 0.08 290.9)
-
Step 400
400
#A191EA
oklch(70.6% 0.128 291)
-
Step 500
500
#8C73E3
oklch(63% 0.164 291.3)
-
Step 600
600 (this color)
#8164DD
oklch(59.1% 0.177 291)
-
Step 700
700
#6448B5
oklch(49.1% 0.165 290.9)
-
Step 800
800
#523C92
oklch(42.7% 0.136 291.4)
-
Step 900
900
#433475
oklch(37.7% 0.107 291)
-
Step 950
950
#271F44
oklch(26.9% 0.067 291.2)
#8164DD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #267BE1 | 0.106 |
| Deuteranopia (no green cones) | #2C76DA | 0.102 |
| Tritanopia (no blue cones) | #677E97 | 0.145 |
| Achromatopsia (no color) | #797979 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8164DD
#8164DD
oklch(59.1% 0.177 291)
- #828400
#828400
oklch(59.2% 0.13 110.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #8164DD, closest first.
No curated palette has a color within ΔE 0.04 of #8164DD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.028
- Purpley #8756E4 ΔE 0.033
- Medium Purple #9370DB ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.062
Use #8164DD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.