#8151CC
Closest named color: Light Indigo (#6D5ACF). oklch(55% 0.183 298.1), rgb(129, 81, 204).
Aa
White text reads best on this color (5.27:1).
About this color
#8151CC is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.183 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.037 away. White text reads best on it, at 5.27:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #8151CC |
| RGB | rgb(129, 81, 204) |
| HSL | hsl(263, 55%, 56%) |
| OKLCH | oklch(55% 0.183 298.1) |
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 #8151CC | 5.27:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #8151CC | 3.98:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #8151CC text on white | 5.27:1 | AA | Lc 75.8 | Fine for body text |
| #8151CC text on black | 3.98:1 | AA large text | Lc -26.0 | Dividers and decoration only |
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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F4
oklch(88.4% 0.046 297.9)
-
Step 300
300
#C7B6EF
oklch(81% 0.081 298.2)
-
Step 400
400
#AB8DE8
oklch(70.7% 0.133 298.1)
-
Step 500
500
#976EE0
oklch(63% 0.168 298)
-
Step 600
600 (this color)
#8151CC
oklch(55% 0.183 298.1)
-
Step 700
700
#6F42B2
oklch(49% 0.17 298.4)
-
Step 800
800
#5A3890
oklch(42.7% 0.14 298)
-
Step 900
900
#4A3173
oklch(37.7% 0.11 298.5)
-
Step 950
950
#2B1D43
oklch(26.9% 0.07 298.6)
#8151CC 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) | #006CD0 | 0.133 |
| Deuteranopia (no green cones) | #1F6AC9 | 0.125 |
| Tritanopia (no blue cones) | #706C87 | 0.142 |
| Achromatopsia (no color) | #6C6C6C | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8151CC
#8151CC
oklch(55% 0.183 298.1)
- #6B7B00
#6B7B00
oklch(55% 0.129 118.4)
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 #8151CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.037
- Purpley #8756E4 ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.053
- Iris #6258C4 ΔE 0.053
- Amethyst #9B5FC0 ΔE 0.064
- Purply #983FB2 ΔE 0.065
Use #8151CC 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.