#811C71
Closest named color: Purple (#800080). oklch(42.8% 0.164 335.5), rgb(129, 28, 113).
Aa
White text reads best on this color (8.98:1).
About this color
#811C71 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.164 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Purple (#800080), ΔE 0.038 away. White text reads best on it, at 8.98:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Purple (#800080) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #811C71 |
| RGB | rgb(129, 28, 113) |
| HSL | hsl(310, 64%, 31%) |
| OKLCH | oklch(42.8% 0.164 335.5) |
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 #811C71 | 8.98:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #811C71 | 2.33:1 | Fails | Lc 14.6 | Not readable |
| #811C71 text on white | 8.98:1 | AAA | Lc 89.4 | Fine for body text |
| #811C71 text on black | 2.33:1 | Fails | Lc -12.8 | Not readable |
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 800.
-
Step 50
50
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E3F1
oklch(93.5% 0.028 334.9)
-
Step 200
200
#F1CCE7
oklch(88.5% 0.054 335.7)
-
Step 300
300
#E8A9D9
oklch(80.9% 0.096 335.3)
-
Step 400
400
#DA78C5
oklch(70.6% 0.154 335.6)
-
Step 500
500
#CD50B6
oklch(63% 0.196 335.5)
-
Step 600
600
#B82CA2
oklch(55.5% 0.213 335.4)
-
Step 700
700
#9E1C8B
oklch(49% 0.198 335.2)
-
Step 800
800 (this color)
#811C71
oklch(42.8% 0.164 335.5)
-
Step 900
900
#681F5B
oklch(37.7% 0.127 335.7)
-
Step 950
950
#3D1435
oklch(27% 0.08 335.8)
#811C71 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) | #1C4073 | 0.180 |
| Deuteranopia (no green cones) | #414E6F | 0.152 |
| Tritanopia (no blue cones) | #882445 | 0.081 |
| Achromatopsia (no color) | #494949 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811C71
#811C71
oklch(42.8% 0.164 335.5)
- #005F35
#005F35
oklch(42.7% 0.104 155.6)
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 #811C71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.038
- Dark Magenta #8B008B ΔE 0.051
- Rich Purple #720058 ΔE 0.059
- Velvet #750851 ΔE 0.060
- Red Violet #9E0168 ΔE 0.062
- Warm Purple #952E8F ΔE 0.068
- Mulberry #920A4E ΔE 0.069
- Red Purple #820747 ΔE 0.069
Use #811C71 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.