#8155CB
Closest named color: Light Indigo (#6D5ACF). oklch(55.5% 0.176 297.6), rgb(129, 85, 203).
Aa
White text reads best on this color (5.12:1).
About this color
#8155CB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.176 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 0.034 away. White text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #8155CB |
| RGB | rgb(129, 85, 203) |
| HSL | hsl(262, 53%, 56%) |
| OKLCH | oklch(55.5% 0.176 297.6) |
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 #8155CB | 5.12:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #8155CB | 4.09:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #8155CB text on white | 5.12:1 | AA | Lc 75.0 | Content text, not long reading |
| #8155CB text on black | 4.09:1 | AA large text | Lc -26.7 | 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
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C6B6EE
oklch(80.9% 0.08 297.7)
-
Step 400
400
#AA8EE5
oklch(70.6% 0.127 297.9)
-
Step 500
500
#9670DE
oklch(63.1% 0.162 297.5)
-
Step 600
600 (this color)
#8155CB
oklch(55.5% 0.176 297.6)
-
Step 700
700
#6D45B0
oklch(49.1% 0.163 297.2)
-
Step 800
800
#59398E
oklch(42.6% 0.136 297.7)
-
Step 900
900
#493272
oklch(37.7% 0.107 297.6)
-
Step 950
950
#2B1E43
oklch(27.1% 0.068 298)
#8155CB 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) | #136ECF | 0.126 |
| Deuteranopia (no green cones) | #2A6CC8 | 0.116 |
| Tritanopia (no blue cones) | #706E88 | 0.137 |
| Achromatopsia (no color) | #6E6E6E | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8155CB
#8155CB
oklch(55.5% 0.176 297.6)
- #6E7C00
#6E7C00
oklch(55.5% 0.128 117.3)
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 #8155CB, closest first.
No curated palette has a color within ΔE 0.04 of #8155CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.039
- Purpley #8756E4 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.047
- Iris #6258C4 ΔE 0.052
- Amethyst #9B5FC0 ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.065
Use #8155CB 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.