#A43171
Closest named color: Red Violet (#9E0168). oklch(50.5% 0.163 350.3), rgb(164, 49, 113).
Aa
White text reads best on this color (6.44:1).
About this color
#A43171 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.163 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.052 away. White text reads best on it, at 6.44:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #A43171 |
| RGB | rgb(164, 49, 113) |
| HSL | hsl(327, 54%, 42%) |
| OKLCH | oklch(50.5% 0.163 350.3) |
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 #A43171 | 6.44:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #A43171 | 3.25:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #A43171 text on white | 6.44:1 | AA | Lc 81.0 | Fine for body text |
| #A43171 text on black | 3.25:1 | AA large text | Lc -20.8 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F1CEDD
oklch(88.5% 0.044 350.3)
-
Step 300
300
#E9ACC7
oklch(80.9% 0.079 350.8)
-
Step 400
400
#DB7EAB
oklch(70.7% 0.126 350.4)
-
Step 500
500
#CE5A97
oklch(63.1% 0.161 350)
-
Step 600
600
#B93B81
oklch(55.5% 0.176 350.1)
-
Step 700
700 (this color)
#A43171
oklch(50.5% 0.163 350.3)
-
Step 800
800
#812759
oklch(42.7% 0.134 350)
-
Step 900
900
#692549
oklch(37.8% 0.106 350.5)
-
Step 950
950
#3E172B
oklch(27.1% 0.067 350.5)
#A43171 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) | #425173 | 0.181 |
| Deuteranopia (no green cones) | #63666E | 0.162 |
| Tritanopia (no blue cones) | #B02B4C | 0.062 |
| Achromatopsia (no color) | #5E5E5E | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A43171
#A43171
oklch(50.5% 0.163 350.3)
- #00765C
#00765C
oklch(50.3% 0.099 170.5)
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 #A43171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.052
- Deep Magenta #A0025C ΔE 0.053
- Light Burgundy #A8415B ΔE 0.055
- Violet Red #A50055 ΔE 0.055
- Dark Fuchsia #9D0759 ΔE 0.056
- Warm Purple #952E8F ΔE 0.062
- Light Eggplant #894585 ΔE 0.064
- Raspberry #B00149 ΔE 0.067
Use #A43171 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.