#A91B71
Closest named color: Red Violet (#9E0168). oklch(49.6% 0.19 349.9), rgb(169, 27, 113).
Aa
White text reads best on this color (6.81:1).
About this color
#A91B71 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.190 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.034 away. White text reads best on it, at 6.81:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.190) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #A91B71 |
| RGB | rgb(169, 27, 113) |
| HSL | hsl(324, 72%, 38%) |
| OKLCH | oklch(49.6% 0.19 349.9) |
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 #A91B71 | 6.81:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #A91B71 | 3.08:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #A91B71 text on white | 6.81:1 | AA | Lc 81.9 | Fine for body text |
| #A91B71 text on black | 3.08:1 | AA large text | Lc -20.0 | 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 700.
-
Step 50
50
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F5CCDE
oklch(88.5% 0.052 350)
-
Step 300
300
#EFA8C9
oklch(80.9% 0.093 349.9)
-
Step 400
400
#E377AE
oklch(70.7% 0.147 349.7)
-
Step 500
500
#D74E99
oklch(63% 0.187 349.9)
-
Step 600
600
#C22984
oklch(55.5% 0.204 349.7)
-
Step 700
700 (this color)
#A91B71
oklch(49.6% 0.19 349.9)
-
Step 800
800
#88195B
oklch(42.7% 0.157 349.8)
-
Step 900
900
#6E1E4B
oklch(37.8% 0.122 349.9)
-
Step 950
950
#41132C
oklch(27.1% 0.078 349.9)
#A91B71 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) | #374B73 | 0.214 |
| Deuteranopia (no green cones) | #60646E | 0.188 |
| Tritanopia (no blue cones) | #B60B45 | 0.073 |
| Achromatopsia (no color) | #5B5B5B | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91B71
#A91B71
oklch(49.6% 0.19 349.9)
- #007459
#007459
oklch(49.7% 0.099 169.4)
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 #A91B71, closest first.
No curated palette has a color within ΔE 0.04 of #A91B71.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.034
- Deep Magenta #A0025C ΔE 0.040
- Violet Red #A50055 ΔE 0.045
- Dark Fuchsia #9D0759 ΔE 0.046
- Raspberry #B00149 ΔE 0.063
- Warm Purple #952E8F ΔE 0.064
- Medium Violet Red #C71585 ΔE 0.066
- Berry #990F4B ΔE 0.067
Use #A91B71 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.