#A158CB
Closest named color: Amethyst (#9B5FC0). oklch(59.5% 0.18 311.4), rgb(161, 88, 203).
Aa
Black text reads best on this color (4.77:1).
About this color
#A158CB is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.180 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.026 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #A158CB |
| RGB | rgb(161, 88, 203) |
| HSL | hsl(278, 53%, 57%) |
| OKLCH | oklch(59.5% 0.18 311.4) |
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 #A158CB | 4.39:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #A158CB | 4.77:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #A158CB text on white | 4.39:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #A158CB text on black | 4.77:1 | AA | Lc -31.6 | 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
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E4D1F1
oklch(88.6% 0.048 311.7)
-
Step 300
300
#D3B1EB
oklch(80.9% 0.088 311)
-
Step 400
400
#BD85E0
oklch(70.6% 0.141 311.5)
-
Step 500
500 (this color)
#A158CB
oklch(59.5% 0.18 311.4)
-
Step 600
600
#9846C4
oklch(55.6% 0.195 311.7)
-
Step 700
700
#8237AA
oklch(49.2% 0.181 311.5)
-
Step 800
800
#692E89
oklch(42.6% 0.15 311.5)
-
Step 900
900
#562B6E
oklch(37.8% 0.117 311.7)
-
Step 950
950
#321A40
oklch(27% 0.073 311.6)
#A158CB 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) | #3475CF | 0.156 |
| Deuteranopia (no green cones) | #4F7AC8 | 0.139 |
| Tritanopia (no blue cones) | #9C6C89 | 0.123 |
| Achromatopsia (no color) | #787878 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A158CB
#A158CB
oklch(59.5% 0.18 311.4)
- #599100
#599100
oklch(59.4% 0.164 131.5)
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 #A158CB, closest first.
No curated palette has a color within ΔE 0.04 of #A158CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.026
- Medium Orchid #BA55D3 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.048
- Medium Purple #9370DB ΔE 0.058
- Deep Lilac #966EBD ΔE 0.060
- Lighter Purple #A55AF4 ΔE 0.062
- Purpley #8756E4 ΔE 0.062
- Purply #983FB2 ΔE 0.063
Use #A158CB 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.