#AC4FB3
Closest named color: Amethyst (#9B5FC0). oklch(58.3% 0.174 324.8), rgb(172, 79, 179).
Aa
White text reads best on this color (4.64:1).
About this color
#AC4FB3 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.174 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.045 away. White text reads best on it, at 4.64:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #AC4FB3 |
| RGB | rgb(172, 79, 179) |
| HSL | hsl(296, 40%, 51%) |
| OKLCH | oklch(58.3% 0.174 324.8) |
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 #AC4FB3 | 4.64:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #AC4FB3 | 4.52:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #AC4FB3 text on white | 4.64:1 | AA | Lc 71.7 | Content text, not long reading |
| #AC4FB3 text on black | 4.52:1 | AA | Lc -30.0 | Dividers and decoration only |
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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F2
oklch(93.6% 0.022 325.8)
-
Step 200
200
#E8D0E9
oklch(88.5% 0.043 324.7)
-
Step 300
300
#DBB0DD
oklch(81% 0.078 324.8)
-
Step 400
400
#C884CC
oklch(70.7% 0.126 324.9)
-
Step 500
500
#B863BE
oklch(63.1% 0.159 324.8)
-
Step 600
600 (this color)
#AC4FB3
oklch(58.3% 0.174 324.8)
-
Step 700
700
#8C3792
oklch(49.1% 0.162 325)
-
Step 800
800
#722F77
oklch(42.8% 0.134 324.8)
-
Step 900
900
#5C2B60
oklch(37.8% 0.104 324.5)
-
Step 950
950
#361A38
oklch(27.1% 0.065 324.7)
#AC4FB3 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) | #416DB6 | 0.171 |
| Deuteranopia (no green cones) | #6078B0 | 0.149 |
| Tritanopia (no blue cones) | #AF5C7A | 0.101 |
| Achromatopsia (no color) | #747474 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4FB3
#AC4FB3
oklch(58.3% 0.174 324.8)
- #1A942D
#1A942D
oklch(58.3% 0.174 144.8)
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 #AC4FB3, closest first.
No curated palette has a color within ΔE 0.04 of #AC4FB3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.045
- Purply #983FB2 ΔE 0.053
- Medium Orchid #BA55D3 ΔE 0.055
- Pinky Purple #C94CBE ΔE 0.056
- Purpley Pink #C83CB9 ΔE 0.058
- Deep Lavender #8D5EB7 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.071
- Deep Lilac #966EBD ΔE 0.074
Use #AC4FB3 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.