#A451C4
Closest named color: Amethyst (#9B5FC0). oklch(58.4% 0.184 315.5), rgb(164, 81, 196).
Aa
White text reads best on this color (4.61:1).
About this color
#A451C4 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.184 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.034 away. White text reads best on it, at 4.61:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #A451C4 |
| RGB | rgb(164, 81, 196) |
| HSL | hsl(283, 49%, 54%) |
| OKLCH | oklch(58.4% 0.184 315.5) |
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 #A451C4 | 4.61:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #A451C4 | 4.55:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #A451C4 text on white | 4.61:1 | AA | Lc 71.5 | Content text, not long reading |
| #A451C4 text on black | 4.55:1 | AA | Lc -30.2 | 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
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D0EE
oklch(88.4% 0.046 315.8)
-
Step 300
300
#D5B1E5
oklch(80.9% 0.082 315.4)
-
Step 400
400
#C086D8
oklch(70.7% 0.131 315.6)
-
Step 500
500
#B064CE
oklch(63.1% 0.17 315.6)
-
Step 600
600 (this color)
#A451C4
oklch(58.4% 0.184 315.5)
-
Step 700
700
#8438A1
oklch(49% 0.172 315.4)
-
Step 800
800
#6C3082
oklch(42.8% 0.141 315.9)
-
Step 900
900
#572B69
oklch(37.6% 0.111 315.1)
-
Step 950
950
#331A3D
oklch(26.9% 0.07 315.6)
#A451C4 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) | #3070C8 | 0.169 |
| Deuteranopia (no green cones) | #5177C1 | 0.147 |
| Tritanopia (no blue cones) | #A26583 | 0.121 |
| Achromatopsia (no color) | #757575 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A451C4
#A451C4
oklch(58.4% 0.184 315.5)
- #479100
#479100
oklch(58.5% 0.173 135.7)
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 #A451C4, closest first.
No curated palette has a color within ΔE 0.04 of #A451C4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.034
- Medium Orchid #BA55D3 ΔE 0.047
- Purply #983FB2 ΔE 0.049
- Deep Lavender #8D5EB7 ΔE 0.052
- Dark Orchid #9932CC ΔE 0.063
- Pinky Purple #C94CBE ΔE 0.070
- Deep Lilac #966EBD ΔE 0.070
- Purpley #8756E4 ΔE 0.072
Use #A451C4 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.