#AC1D71
Closest named color: Red Violet (#9E0168). oklch(50.2% 0.19 350.9), rgb(172, 29, 113).
Aa
White text reads best on this color (6.62:1).
About this color
#AC1D71 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.190 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.041 away. White text reads best on it, at 6.62:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.190) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #AC1D71 |
| RGB | rgb(172, 29, 113) |
| HSL | hsl(325, 71%, 39%) |
| OKLCH | oklch(50.2% 0.19 350.9) |
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 #AC1D71 | 6.62:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #AC1D71 | 3.16:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #AC1D71 text on white | 6.62:1 | AA | Lc 81.2 | Fine for body text |
| #AC1D71 text on black | 3.16:1 | AA large text | Lc -20.7 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F5CCDD
oklch(88.5% 0.051 351.3)
-
Step 300
300
#EFA8C8
oklch(80.8% 0.092 350.7)
-
Step 400
400
#E477AC
oklch(70.8% 0.147 351)
-
Step 500
500
#D84E97
oklch(63.1% 0.187 351.1)
-
Step 600
600
#C32882
oklch(55.5% 0.204 350.7)
-
Step 700
700 (this color)
#AC1D71
oklch(50.2% 0.19 350.9)
-
Step 800
800
#891959
oklch(42.8% 0.157 351.3)
-
Step 900
900
#6E1D4A
oklch(37.7% 0.123 350.5)
-
Step 950
950
#41132B
oklch(27% 0.077 351.2)
#AC1D71 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) | #3A4D73 | 0.214 |
| Deuteranopia (no green cones) | #63666E | 0.189 |
| Tritanopia (no blue cones) | #B90B46 | 0.071 |
| Achromatopsia (no color) | #5D5D5D | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC1D71
#AC1D71
oklch(50.2% 0.19 350.9)
- #00755C
#00755C
oklch(50.1% 0.098 171.1)
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 #AC1D71, closest first.
No curated palette has a color within ΔE 0.04 of #AC1D71.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.041
- Deep Magenta #A0025C ΔE 0.044
- Violet Red #A50055 ΔE 0.047
- Dark Fuchsia #9D0759 ΔE 0.050
- Medium Violet Red #C71585 ΔE 0.060
- Raspberry #B00149 ΔE 0.061
- Warm Purple #952E8F ΔE 0.067
- Berry #990F4B ΔE 0.070
Use #AC1D71 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.