#A55CD5
Closest named color: Amethyst (#9B5FC0). oklch(61.1% 0.186 309.8), rgb(165, 92, 213).
Aa
Black text reads best on this color (5.09:1).
About this color
#A55CD5 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.186 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.037 away. Black text reads best on it, at 5.09:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #A55CD5 |
| RGB | rgb(165, 92, 213) |
| HSL | hsl(276, 59%, 60%) |
| OKLCH | oklch(61.1% 0.186 309.8) |
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 #A55CD5 | 4.12:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #A55CD5 | 5.09:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #A55CD5 text on white | 4.12:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #A55CD5 text on black | 5.09:1 | AA | Lc -33.7 | 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 500.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E3D1F3
oklch(88.6% 0.05 309.1)
-
Step 300
300
#D2B1ED
oklch(80.9% 0.09 309.4)
-
Step 400
400
#BC85E4
oklch(70.7% 0.145 309.8)
-
Step 500
500 (this color)
#A55CD5
oklch(61.1% 0.186 309.8)
-
Step 600
600
#9745C9
oklch(55.6% 0.201 310)
-
Step 700
700
#8135AE
oklch(49.2% 0.188 310)
-
Step 800
800
#692D8D
oklch(42.7% 0.156 310.1)
-
Step 900
900
#552A71
oklch(37.7% 0.122 309.7)
-
Step 950
950
#321A42
oklch(27.1% 0.076 310)
#A55CD5 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) | #337AD9 | 0.159 |
| Deuteranopia (no green cones) | #4F7ED2 | 0.141 |
| Tritanopia (no blue cones) | #9F7290 | 0.130 |
| Achromatopsia (no color) | #7D7D7D | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55CD5
#A55CD5
oklch(61.1% 0.186 309.8)
- #629500
#629500
oklch(61% 0.164 129.7)
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 #A55CD5, closest first.
No curated palette has a color within ΔE 0.04 of #A55CD5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.037
- Medium Orchid #BA55D3 ΔE 0.039
- Lighter Purple #A55AF4 ΔE 0.047
- Medium Purple #9370DB ΔE 0.051
- Purpley #8756E4 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.062
- Deep Lilac #966EBD ΔE 0.063
- Light Urple #B36FF6 ΔE 0.066
Use #A55CD5 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.