#AC21CC
Closest named color: Vibrant Purple (#AD03DE). oklch(55.5% 0.248 318.8), rgb(172, 33, 204).
Aa
White text reads best on this color (5.46:1).
About this color
#AC21CC is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.248 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.031 away. White text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.248) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #AC21CC |
| RGB | rgb(172, 33, 204) |
| HSL | hsl(289, 72%, 46%) |
| OKLCH | oklch(55.5% 0.248 318.8) |
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 #AC21CC | 5.46:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #AC21CC | 3.84:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #AC21CC text on white | 5.46:1 | AA | Lc 75.6 | Fine for body text |
| #AC21CC text on black | 3.84:1 | AA large text | Lc -26.1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F3E3F8
oklch(93.5% 0.033 318.1)
-
Step 200
200
#EBCDF4
oklch(88.5% 0.062 318.4)
-
Step 300
300
#E0A9EF
oklch(80.9% 0.113 318.9)
-
Step 400
400
#CF77E6
oklch(70.7% 0.179 319)
-
Step 500
500
#C14CDF
oklch(63.1% 0.229 318.8)
-
Step 600
600 (this color)
#AC21CC
oklch(55.5% 0.248 318.8)
-
Step 700
700
#940DB1
oklch(49.2% 0.231 318.8)
-
Step 800
800
#78148F
oklch(42.7% 0.191 318.8)
-
Step 900
900
#611C72
oklch(37.7% 0.148 318.9)
-
Step 950
950
#391243
oklch(27% 0.095 318.8)
#AC21CC 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) | #0061D0 | 0.231 |
| Deuteranopia (no green cones) | #2E6DC8 | 0.219 |
| Tritanopia (no blue cones) | #AB4B7A | 0.153 |
| Achromatopsia (no color) | #696969 | 0.250 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC21CC
#AC21CC
oklch(55.5% 0.248 318.8)
- #318900
#318900
oklch(55.5% 0.174 138.8)
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 #AC21CC, closest first.
No curated palette has a color within ΔE 0.04 of #AC21CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.031
- Dark Orchid #9932CC ΔE 0.039
- Dark Violet #9400D3 ΔE 0.058
- Purply #983FB2 ΔE 0.064
- Bright Violet #AD0AFD ΔE 0.075
- Blue Violet #8A2BE2 ΔE 0.078
- Electric Purple #AA23FF ΔE 0.079
- Bright Purple #BE03FD ΔE 0.079
Use #AC21CC 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.