#A91D5B
Closest named color: Violet Red (#A50055). oklch(48.9% 0.179 0.5), rgb(169, 29, 91).
Aa
White text reads best on this color (6.96:1).
About this color
#A91D5B is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.179 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.024 away. White text reads best on it, at 6.96:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #A91D5B |
| RGB | rgb(169, 29, 91) |
| HSL | hsl(333, 71%, 39%) |
| OKLCH | oklch(48.9% 0.179 0.5) |
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 #A91D5B | 6.96:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #A91D5B | 3.01:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #A91D5B text on white | 6.96:1 | AA | Lc 82.6 | Fine for body text |
| #A91D5B text on black | 3.01:1 | AA large text | Lc -19.4 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD7
oklch(88.5% 0.047 1.3)
-
Step 300
300
#F0A9BE
oklch(80.8% 0.087 359.9)
-
Step 400
400
#E5799C
oklch(70.7% 0.138 0.6)
-
Step 500
500
#DA5184
oklch(63.1% 0.177 0.5)
-
Step 600
600
#C52E6E
oklch(55.6% 0.192 0.3)
-
Step 700
700 (this color)
#A91D5B
oklch(48.9% 0.179 0.5)
-
Step 800
800
#8A1D4B
oklch(42.7% 0.148 0.5)
-
Step 900
900
#6F1F3E
oklch(37.6% 0.116 0.7)
-
Step 950
950
#411425
oklch(26.9% 0.073 359.7)
#A91D5B 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) | #40485C | 0.203 |
| Deuteranopia (no green cones) | #666358 | 0.181 |
| Tritanopia (no blue cones) | #B8003A | 0.055 |
| Achromatopsia (no color) | #595959 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91D5B
#A91D5B
oklch(48.9% 0.179 0.5)
- #007062
#007062
oklch(48.9% 0.089 180.2)
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 #A91D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.024
- Raspberry #B00149 ΔE 0.030
- Deep Magenta #A0025C ΔE 0.033
- Dark Fuchsia #9D0759 ΔE 0.035
- Berry #990F4B ΔE 0.044
- Red Violet #9E0168 ΔE 0.046
- Rouge #AB1239 ΔE 0.049
- Purple Red #990147 ΔE 0.050
Use #A91D5B 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.