#A357CA
Closest named color: Amethyst (#9B5FC0). oklch(59.5% 0.181 312.7), rgb(163, 87, 202).
Aa
Black text reads best on this color (4.77:1).
About this color
#A357CA is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.181 and its hue 313°. 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 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #A357CA |
| RGB | rgb(163, 87, 202) |
| HSL | hsl(280, 52%, 57%) |
| OKLCH | oklch(59.5% 0.181 312.7) |
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 #A357CA | 4.39:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #A357CA | 4.77:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #A357CA text on white | 4.39:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #A357CA 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
#F0E5F6
oklch(93.6% 0.025 314)
-
Step 200
200
#E4D0F1
oklch(88.4% 0.049 312.2)
-
Step 300
300
#D4B0EA
oklch(80.8% 0.089 312.4)
-
Step 400
400
#BF85DF
oklch(70.8% 0.141 312.8)
-
Step 500
500 (this color)
#A357CA
oklch(59.5% 0.181 312.7)
-
Step 600
600
#9A45C3
oklch(55.6% 0.196 312.9)
-
Step 700
700
#8335A9
oklch(49.1% 0.183 312.5)
-
Step 800
800
#6B2D89
oklch(42.7% 0.153 312.8)
-
Step 900
900
#572A6D
oklch(37.7% 0.118 313.1)
-
Step 950
950
#331940
oklch(26.9% 0.076 313.2)
#A357CA 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) | #3574CE | 0.159 |
| Deuteranopia (no green cones) | #517AC7 | 0.141 |
| Tritanopia (no blue cones) | #9F6B88 | 0.123 |
| Achromatopsia (no color) | #787878 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A357CA
#A357CA
oklch(59.5% 0.181 312.7)
- #559200
#559200
oklch(59.5% 0.167 132.7)
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 #A357CA, closest first.
No curated palette has a color within ΔE 0.04 of #A357CA.
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 0.043
- Deep Lavender #8D5EB7 ΔE 0.051
- Medium Purple #9370DB ΔE 0.061
- Deep Lilac #966EBD ΔE 0.062
- Purply #983FB2 ΔE 0.062
- Lighter Purple #A55AF4 ΔE 0.063
- Purpley #8756E4 ΔE 0.066
Use #A357CA 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.