#AC3171
Closest named color: Light Burgundy (#A8415B). oklch(51.8% 0.17 352.8), rgb(172, 49, 113).
Aa
White text reads best on this color (6.11:1).
About this color
#AC3171 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.170 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.051 away. White text reads best on it, at 6.11:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #AC3171 |
| RGB | rgb(172, 49, 113) |
| HSL | hsl(329, 56%, 43%) |
| OKLCH | oklch(51.8% 0.17 352.8) |
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 #AC3171 | 6.11:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #AC3171 | 3.43:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #AC3171 text on white | 6.11:1 | AA | Lc 79.5 | Fine for body text |
| #AC3171 text on black | 3.43:1 | AA large text | Lc -22.3 | 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 700.
-
Step 50
50
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F8E4EB
oklch(93.7% 0.024 354.3)
-
Step 200
200
#F2CDDC
oklch(88.4% 0.046 351.7)
-
Step 300
300
#EBABC5
oklch(80.9% 0.082 353)
-
Step 400
400
#DE7CA8
oklch(70.7% 0.131 352.6)
-
Step 500
500
#D25793
oklch(63.1% 0.167 352.6)
-
Step 600
600
#BD377D
oklch(55.6% 0.182 352.6)
-
Step 700
700 (this color)
#AC3171
oklch(51.8% 0.17 352.8)
-
Step 800
800
#842356
oklch(42.6% 0.14 352.5)
-
Step 900
900
#6B2347
oklch(37.7% 0.11 352.7)
-
Step 950
950
#3F1629
oklch(27.1% 0.069 353.7)
#AC3171 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) | #465473 | 0.189 |
| Deuteranopia (no green cones) | #696A6E | 0.169 |
| Tritanopia (no blue cones) | #B9274D | 0.059 |
| Achromatopsia (no color) | #626262 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3171
#AC3171
oklch(51.8% 0.17 352.8)
- #007A63
#007A63
oklch(51.7% 0.099 173.4)
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 #AC3171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.051
- Violet Red #A50055 ΔE 0.059
- Deep Magenta #A0025C ΔE 0.060
- Red Violet #9E0168 ΔE 0.061
- Raspberry #B00149 ΔE 0.064
- Medium Violet Red #C71585 ΔE 0.064
- Dark Fuchsia #9D0759 ΔE 0.064
- Dark Rose #B5485D ΔE 0.067
Use #AC3171 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.