#A157CB
Closest named color: Amethyst (#9B5FC0). oklch(59.3% 0.181 311.6), rgb(161, 87, 203).
Aa
Black text reads best on this color (4.74:1).
About this color
#A157CB is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.181 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.027 away. Black text reads best on it, at 4.74:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #A157CB |
| RGB | rgb(161, 87, 203) |
| HSL | hsl(278, 53%, 57%) |
| OKLCH | oklch(59.3% 0.181 311.6) |
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 #A157CB | 4.42:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #A157CB | 4.74:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #A157CB text on white | 4.42:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #A157CB 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E7
oklch(80.9% 0.081 311.8)
-
Step 400
400
#BB88DC
oklch(70.7% 0.13 311.3)
-
Step 500
500
#AA67D2
oklch(63.1% 0.167 311.4)
-
Step 600
600 (this color)
#A157CB
oklch(59.3% 0.181 311.6)
-
Step 700
700
#7F3CA4
oklch(49.1% 0.167 311.5)
-
Step 800
800
#683285
oklch(42.7% 0.139 312)
-
Step 900
900
#542D6B
oklch(37.7% 0.109 311.3)
-
Step 950
950
#311B3F
oklch(27% 0.069 310.8)
#A157CB 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) | #3274CF | 0.158 |
| Deuteranopia (no green cones) | #4E79C8 | 0.140 |
| Tritanopia (no blue cones) | #9C6C89 | 0.125 |
| Achromatopsia (no color) | #787878 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A157CB
#A157CB
oklch(59.3% 0.181 311.6)
- #589100
#589100
oklch(59.4% 0.164 131.7)
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 #A157CB, closest first.
No curated palette has a color within ΔE 0.04 of #A157CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.027
- Medium Orchid #BA55D3 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.049
- Medium Purple #9370DB ΔE 0.060
- Purply #983FB2 ΔE 0.061
- Purpley #8756E4 ΔE 0.062
- Deep Lilac #966EBD ΔE 0.062
- Lighter Purple #A55AF4 ΔE 0.062
Use #A157CB 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.