#A558BF
Closest named color: Amethyst (#9B5FC0). oklch(59.2% 0.168 316.9), rgb(165, 88, 191).
Aa
Black text reads best on this color (4.74:1).
About this color
#A558BF is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.168 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.022 away. Black text reads best on it, at 4.74:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #A558BF |
| RGB | rgb(165, 88, 191) |
| HSL | hsl(285, 45%, 55%) |
| OKLCH | oklch(59.2% 0.168 316.9) |
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 #A558BF | 4.42:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #A558BF | 4.74:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #A558BF text on white | 4.42:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #A558BF text on black | 4.74:1 | AA | Lc -31.4 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D5B2E1
oklch(80.9% 0.075 317.4)
-
Step 400
400
#BF88D3
oklch(70.7% 0.122 316.8)
-
Step 500
500
#AE68C7
oklch(63.1% 0.155 316.6)
-
Step 600
600 (this color)
#A558BF
oklch(59.2% 0.168 316.9)
-
Step 700
700
#833D9A
oklch(49.1% 0.157 317)
-
Step 800
800
#6A337D
oklch(42.6% 0.13 316.6)
-
Step 900
900
#572E64
oklch(37.8% 0.1 317.5)
-
Step 950
950
#331B3B
oklch(27% 0.065 317.2)
#A558BF 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) | #4173C2 | 0.153 |
| Deuteranopia (no green cones) | #5B7ABC | 0.134 |
| Tritanopia (no blue cones) | #A46883 | 0.110 |
| Achromatopsia (no color) | #787878 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A558BF
#A558BF
oklch(59.2% 0.168 316.9)
- #479319
#479319
oklch(59.2% 0.168 136.9)
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 #A558BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.022
- Deep Lavender #8D5EB7 ΔE 0.045
- Medium Orchid #BA55D3 ΔE 0.048
- Deep Lilac #966EBD ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.059
- Purply #983FB2 ΔE 0.060
- Pinky Purple #C94CBE ΔE 0.067
- Medium Purple #9370DB ΔE 0.068
Use #A558BF 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.