#A558D0
Closest named color: Amethyst (#9B5FC0). oklch(60.2% 0.186 311.7), rgb(165, 88, 208).
Aa
Black text reads best on this color (4.90:1).
About this color
#A558D0 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.186 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.034 away. Black text reads best on it, at 4.90:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.90:1 |
| White text | 4.27:1 |
Values
| HEX | #A558D0 |
| RGB | rgb(165, 88, 208) |
| HSL | hsl(279, 56%, 58%) |
| OKLCH | oklch(60.2% 0.186 311.7) |
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 #A558D0 | 4.27:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #A558D0 | 4.90:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #A558D0 text on white | 4.27:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #A558D0 text on black | 4.90:1 | AA | Lc -32.5 | 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
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E4D0F2
oklch(88.4% 0.051 311.5)
-
Step 300
300
#D4B0EC
oklch(80.9% 0.091 311.5)
-
Step 400
400
#BE84E2
oklch(70.7% 0.145 311.5)
-
Step 500
500 (this color)
#A558D0
oklch(60.2% 0.186 311.7)
-
Step 600
600
#9A43C7
oklch(55.6% 0.203 311.9)
-
Step 700
700
#8333AC
oklch(49% 0.189 311.7)
-
Step 800
800
#6A2C8B
oklch(42.6% 0.156 311.6)
-
Step 900
900
#56296F
oklch(37.6% 0.121 311.6)
-
Step 950
950
#331941
oklch(27% 0.077 312.4)
#A558D0 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) | #3176D4 | 0.163 |
| Deuteranopia (no green cones) | #4F7CCD | 0.145 |
| Tritanopia (no blue cones) | #A06E8C | 0.128 |
| Achromatopsia (no color) | #7A7A7A | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A558D0
#A558D0
oklch(60.2% 0.186 311.7)
- #5A9400
#5A9400
oklch(60.3% 0.167 131.7)
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 #A558D0, closest first.
No curated palette has a color within ΔE 0.04 of #A558D0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.034
- Medium Orchid #BA55D3 ΔE 0.038
- Lighter Purple #A55AF4 ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.058
- Medium Purple #9370DB ΔE 0.059
- Purpley #8756E4 ΔE 0.064
- Deep Lilac #966EBD ΔE 0.065
- Purply #983FB2 ΔE 0.069
Use #A558D0 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.