#811F8B
Closest named color: Dark Magenta (#8B008B). oklch(44.6% 0.181 323.9), rgb(129, 31, 139).
Aa
White text reads best on this color (8.39:1).
About this color
#811F8B is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.181 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Magenta (#8B008B), ΔE 0.029 away. White text reads best on it, at 8.39:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Dark Magenta (#8B008B) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #811F8B |
| RGB | rgb(129, 31, 139) |
| HSL | hsl(294, 64%, 33%) |
| OKLCH | oklch(44.6% 0.181 323.9) |
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 #811F8B | 8.39:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #811F8B | 2.50:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #811F8B text on white | 8.39:1 | AAA | Lc 87.8 | Fine for body text |
| #811F8B text on black | 2.50:1 | Fails | Lc -14.4 | 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F5E3F6
oklch(93.6% 0.032 324.2)
-
Step 200
200
#EDCDF0
oklch(88.6% 0.058 323.4)
-
Step 300
300
#E3A9E8
oklch(80.9% 0.107 323.8)
-
Step 400
400
#D378DC
oklch(70.8% 0.17 323.8)
-
Step 500
500
#C54ED2
oklch(63.1% 0.216 323.6)
-
Step 600
600
#B126BE
oklch(55.6% 0.235 324.2)
-
Step 700
700
#9814A4
oklch(49.1% 0.219 324.1)
-
Step 800
800 (this color)
#811F8B
oklch(44.6% 0.181 323.9)
-
Step 900
900
#631D6B
oklch(37.6% 0.141 323.5)
-
Step 950
950
#3A133F
oklch(27% 0.089 323)
#811F8B 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) | #00468E | 0.187 |
| Deuteranopia (no green cones) | #335188 | 0.161 |
| Tritanopia (no blue cones) | #833354 | 0.106 |
| Achromatopsia (no color) | #4D4D4D | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811F8B
#811F8B
oklch(44.6% 0.181 323.9)
- #006710
#006710
oklch(44.6% 0.145 143.9)
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 #811F8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Magenta #8B008B ΔE 0.029
- Purple #800080 ΔE 0.031
- Warm Purple #952E8F ΔE 0.051
- Rebecca Purple #663399 ΔE 0.064
- Light Eggplant #894585 ΔE 0.078
- Grape #7209B7 ΔE 0.084
- Red Violet #9E0168 ΔE 0.085
- Purply #983FB2 ΔE 0.092
Use #811F8B 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.