#AC4DDD
Closest named color: Medium Orchid (#BA55D3). oklch(60.5% 0.218 312), rgb(172, 77, 221).
Aa
Black text reads best on this color (4.85:1).
About this color
#AC4DDD is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.218 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.037 away. Black text reads best on it, at 4.85:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #AC4DDD |
| RGB | rgb(172, 77, 221) |
| HSL | hsl(280, 68%, 58%) |
| OKLCH | oklch(60.5% 0.218 312) |
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 #AC4DDD | 4.32:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #AC4DDD | 4.85:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #AC4DDD text on white | 4.32:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #AC4DDD text on black | 4.85:1 | AA | Lc -32.5 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F1E4F9
oklch(93.5% 0.031 312.9)
-
Step 200
200
#E6CFF6
oklch(88.6% 0.058 311.5)
-
Step 300
300
#D8ADF3
oklch(81% 0.107 312)
-
Step 400
400
#C47DEC
oklch(70.7% 0.171 312.3)
-
Step 500
500 (this color)
#AC4DDD
oklch(60.5% 0.218 312)
-
Step 600
600
#A032D4
oklch(55.6% 0.236 312)
-
Step 700
700
#8921B8
oklch(49.1% 0.221 311.9)
-
Step 800
800
#6F2095
oklch(42.7% 0.182 311.7)
-
Step 900
900
#5A2276
oklch(37.7% 0.141 312.1)
-
Step 950
950
#351645
oklch(27.1% 0.089 312.4)
#AC4DDD 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) | #0075E1 | 0.198 |
| Deuteranopia (no green cones) | #407BDA | 0.175 |
| Tritanopia (no blue cones) | #A66A8F | 0.147 |
| Achromatopsia (no color) | #7A7A7A | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4DDD
#AC4DDD
oklch(60.5% 0.218 312)
- #599500
#599500
oklch(60.5% 0.168 132.1)
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 #AC4DDD, closest first.
No curated palette has a color within ΔE 0.04 of #AC4DDD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.037
- Lighter Purple #A55AF4 ΔE 0.042
- Dark Orchid #9932CC ΔE 0.064
- Amethyst #9B5FC0 ΔE 0.065
- Purpley #8756E4 ΔE 0.068
- Vibrant Purple #AD03DE ΔE 0.074
- Pinky Purple #C94CBE ΔE 0.075
- Electric Purple #AA23FF ΔE 0.075
Use #AC4DDD 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.