#A451D0
Closest named color: Amethyst (#9B5FC0). oklch(59.2% 0.196 312), rgb(164, 81, 208).
Aa
Black text reads best on this color (4.66:1).
About this color
#A451D0 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.196 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.042 away. Black text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #A451D0 |
| RGB | rgb(164, 81, 208) |
| HSL | hsl(279, 57%, 57%) |
| OKLCH | oklch(59.2% 0.196 312) |
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 #A451D0 | 4.50:1 | AA | Lc -76.2 | Fine for body text |
| Black text on #A451D0 | 4.66:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #A451D0 text on white | 4.50:1 | AA | Lc 70.7 | Content text, not long reading |
| #A451D0 text on black | 4.66:1 | AA | Lc -31.0 | 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
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E4D0F1
oklch(88.4% 0.049 312.2)
-
Step 300
300
#D4B1EA
oklch(81% 0.087 312.1)
-
Step 400
400
#BE85E0
oklch(70.7% 0.141 312)
-
Step 500
500
#AD63D7
oklch(63.1% 0.18 311.8)
-
Step 600
600 (this color)
#A451D0
oklch(59.2% 0.196 312)
-
Step 700
700
#8236A9
oklch(49.1% 0.182 311.9)
-
Step 800
800
#6A2E89
oklch(42.7% 0.151 312.1)
-
Step 900
900
#562A6E
oklch(37.7% 0.119 311.9)
-
Step 950
950
#321A40
oklch(27% 0.073 311.6)
#A451D0 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) | #1F72D4 | 0.177 |
| Deuteranopia (no green cones) | #4778CD | 0.155 |
| Tritanopia (no blue cones) | #9F6989 | 0.134 |
| Achromatopsia (no color) | #777777 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A451D0
#A451D0
oklch(59.2% 0.196 312)
- #579000
#579000
oklch(59.1% 0.164 131.8)
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 #A451D0, closest first.
No curated palette has a color within ΔE 0.04 of #A451D0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.042
- Medium Orchid #BA55D3 ΔE 0.043
- Lighter Purple #A55AF4 ΔE 0.056
- Dark Orchid #9932CC ΔE 0.059
- Purply #983FB2 ΔE 0.060
- Purpley #8756E4 ΔE 0.061
- Deep Lavender #8D5EB7 ΔE 0.062
- Medium Purple #9370DB ΔE 0.070
Use #A451D0 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.