#A558CE
Closest named color: Amethyst (#9B5FC0). oklch(60.1% 0.184 312.3), rgb(165, 88, 206).
Aa
Black text reads best on this color (4.88:1).
About this color
#A558CE is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.184 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.032 away. Black text reads best on it, at 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #A558CE |
| RGB | rgb(165, 88, 206) |
| HSL | hsl(279, 55%, 58%) |
| OKLCH | oklch(60.1% 0.184 312.3) |
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 #A558CE | 4.29:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #A558CE | 4.88:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #A558CE text on white | 4.29:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #A558CE text on black | 4.88:1 | AA | Lc -32.4 | 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 500.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
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
#D4B0EB
oklch(80.8% 0.09 312)
-
Step 400
400
#BF84E1
oklch(70.7% 0.145 312.3)
-
Step 500
500 (this color)
#A558CE
oklch(60.1% 0.184 312.3)
-
Step 600
600
#9A44C5
oklch(55.6% 0.2 312.4)
-
Step 700
700
#8334AA
oklch(49% 0.186 312.3)
-
Step 800
800
#6B2D8A
oklch(42.8% 0.154 312.4)
-
Step 900
900
#572A6E
oklch(37.8% 0.119 312.6)
-
Step 950
950
#331941
oklch(27% 0.077 312.4)
#A558CE 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) | #3376D2 | 0.162 |
| Deuteranopia (no green cones) | #517CCB | 0.143 |
| Tritanopia (no blue cones) | #A16D8B | 0.125 |
| Achromatopsia (no color) | #7A7A7A | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A558CE
#A558CE
oklch(60.1% 0.184 312.3)
- #589400
#589400
oklch(60.2% 0.168 132.2)
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 #A558CE, closest first.
No curated palette has a color within ΔE 0.04 of #A558CE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.032
- Medium Orchid #BA55D3 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.056
- Lighter Purple #A55AF4 ΔE 0.057
- Medium Purple #9370DB ΔE 0.059
- Deep Lilac #966EBD ΔE 0.064
- Purpley #8756E4 ΔE 0.065
- Purply #983FB2 ΔE 0.068
Use #A558CE 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.