#A81155
Closest named color: Violet Red (#A50055). oklch(47.9% 0.184 2), rgb(168, 17, 85).
Aa
White text reads best on this color (7.30:1).
About this color
#A81155 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.184 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.014 away. White text reads best on it, at 7.30:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #A81155 |
| RGB | rgb(168, 17, 85) |
| HSL | hsl(333, 82%, 36%) |
| OKLCH | oklch(47.9% 0.184 2) |
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 #A81155 | 7.30:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #A81155 | 2.87:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #A81155 text on white | 7.30:1 | AAA | Lc 83.5 | Fine for body text |
| #A81155 text on black | 2.87:1 | Fails | Lc -18.5 | 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
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F7CCD6
oklch(88.5% 0.05 2.5)
-
Step 300
300
#F2A9BC
oklch(81% 0.089 2.2)
-
Step 400
400
#E77799
oklch(70.6% 0.142 2.1)
-
Step 500
500
#DD4E81
oklch(63.1% 0.183 1.9)
-
Step 600
600
#C8296A
oklch(55.6% 0.198 2.1)
-
Step 700
700 (this color)
#A81155
oklch(47.9% 0.184 2)
-
Step 800
800
#8C1948
oklch(42.7% 0.153 2.2)
-
Step 900
900
#711E3D
oklch(37.8% 0.119 1.9)
-
Step 950
950
#421323
oklch(26.9% 0.075 2.4)
#A81155 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) | #3D4456 | 0.210 |
| Deuteranopia (no green cones) | #646052 | 0.187 |
| Tritanopia (no blue cones) | #B70033 | 0.058 |
| Achromatopsia (no color) | #565656 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A81155
#A81155
oklch(47.9% 0.184 2)
- #006D61
#006D61
oklch(48% 0.086 181.8)
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 #A81155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.014
- Raspberry #B00149 ΔE 0.024
- Deep Magenta #A0025C ΔE 0.027
- Dark Fuchsia #9D0759 ΔE 0.029
- Berry #990F4B ΔE 0.035
- Purple Red #990147 ΔE 0.040
- Rouge #AB1239 ΔE 0.043
- Cranberry #9E003A ΔE 0.045
Use #A81155 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.