#AC4ED9
Closest named color: Medium Orchid (#BA55D3). oklch(60.3% 0.212 313), rgb(172, 78, 217).
Aa
Black text reads best on this color (4.84:1).
About this color
#AC4ED9 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.212 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.033 away. Black text reads best on it, at 4.84:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.212) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #AC4ED9 |
| RGB | rgb(172, 78, 217) |
| HSL | hsl(281, 65%, 58%) |
| OKLCH | oklch(60.3% 0.212 313) |
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 #AC4ED9 | 4.33:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #AC4ED9 | 4.84:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #AC4ED9 text on white | 4.33:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #AC4ED9 text on black | 4.84:1 | AA | Lc -32.3 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E4F9
oklch(93.5% 0.031 312.9)
-
Step 200
200
#E7CFF5
oklch(88.6% 0.057 313.1)
-
Step 300
300
#D8ADF1
oklch(80.9% 0.104 312.8)
-
Step 400
400
#C47EE9
oklch(70.7% 0.166 313)
-
Step 500
500 (this color)
#AC4ED9
oklch(60.3% 0.212 313)
-
Step 600
600
#A034D0
oklch(55.5% 0.231 312.9)
-
Step 700
700
#8924B4
oklch(49% 0.215 312.9)
-
Step 800
800
#6F2192
oklch(42.6% 0.178 312.7)
-
Step 900
900
#5A2374
oklch(37.6% 0.138 312.9)
-
Step 950
950
#351644
oklch(27% 0.087 313.1)
#AC4ED9 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) | #0374DD | 0.198 |
| Deuteranopia (no green cones) | #457BD6 | 0.171 |
| Tritanopia (no blue cones) | #A7698D | 0.142 |
| Achromatopsia (no color) | #797979 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4ED9
#AC4ED9
oklch(60.3% 0.212 313)
- #569500
#569500
oklch(60.3% 0.17 132.9)
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 #AC4ED9, closest first.
No curated palette has a color within ΔE 0.04 of #AC4ED9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.033
- Lighter Purple #A55AF4 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.060
- Dark Orchid #9932CC ΔE 0.064
- Purpley #8756E4 ΔE 0.069
- Pinky Purple #C94CBE ΔE 0.070
- Purply #983FB2 ΔE 0.074
- Purpley Pink #C83CB9 ΔE 0.074
Use #AC4ED9 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.