#811B82
Closest named color: Purple (#800080). oklch(43.7% 0.178 327.7), rgb(129, 27, 130).
Aa
White text reads best on this color (8.70:1).
About this color
#811B82 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.178 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.022 away. White text reads best on it, at 8.70:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #811B82 |
| RGB | rgb(129, 27, 130) |
| HSL | hsl(299, 66%, 31%) |
| OKLCH | oklch(43.7% 0.178 327.7) |
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 #811B82 | 8.70:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #811B82 | 2.41:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #811B82 text on white | 8.70:1 | AAA | Lc 88.6 | Fine for body text |
| #811B82 text on black | 2.41:1 | Fails | Lc -13.6 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E3F4
oklch(93.5% 0.03 327.5)
-
Step 200
200
#EFCCED
oklch(88.5% 0.058 327.9)
-
Step 300
300
#E5A9E3
oklch(80.9% 0.103 327.6)
-
Step 400
400
#D677D5
oklch(70.7% 0.166 327.5)
-
Step 500
500
#C94DC9
oklch(63.1% 0.212 327.7)
-
Step 600
600
#B426B6
oklch(55.6% 0.231 327.5)
-
Step 700
700
#9B149D
oklch(49.2% 0.215 327.6)
-
Step 800
800 (this color)
#811B82
oklch(43.7% 0.178 327.7)
-
Step 900
900
#661D66
oklch(37.8% 0.138 327.9)
-
Step 950
950
#3C133C
oklch(27.1% 0.088 327.7)
#811B82 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) | #004385 | 0.192 |
| Deuteranopia (no green cones) | #385080 | 0.161 |
| Tritanopia (no blue cones) | #852D4E | 0.100 |
| Achromatopsia (no color) | #4B4B4B | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811B82
#811B82
oklch(43.7% 0.178 327.7)
- #006323
#006323
oklch(43.6% 0.127 147.7)
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 #811B82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.022
- Dark Magenta #8B008B ΔE 0.029
- Warm Purple #952E8F ΔE 0.056
- Rebecca Purple #663399 ΔE 0.073
- Red Violet #9E0168 ΔE 0.076
- Rich Purple #720058 ΔE 0.079
- Light Eggplant #894585 ΔE 0.081
- Velvet #750851 ΔE 0.085
Use #811B82 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.