#811B7E
Closest named color: Purple (#800080). oklch(43.4% 0.175 329.4), rgb(129, 27, 126).
Aa
White text reads best on this color (8.78:1).
About this color
#811B7E is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.175 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.023 away. White text reads best on it, at 8.78:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 2.39:1 |
| White text | 8.78:1 |
Values
| HEX | #811B7E |
| RGB | rgb(129, 27, 126) |
| HSL | hsl(302, 65%, 31%) |
| OKLCH | oklch(43.4% 0.175 329.4) |
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 #811B7E | 8.78:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #811B7E | 2.39:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #811B7E text on white | 8.78:1 | AAA | Lc 88.8 | Fine for body text |
| #811B7E text on black | 2.39:1 | Fails | Lc -13.4 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F6E3F4
oklch(93.6% 0.03 329.1)
-
Step 200
200
#EFCCEC
oklch(88.4% 0.057 328.8)
-
Step 300
300
#E6A9E1
oklch(80.9% 0.102 329.3)
-
Step 400
400
#D777D1
oklch(70.6% 0.163 329.4)
-
Step 500
500
#CA4EC5
oklch(63.1% 0.208 329.3)
-
Step 600
600
#B527B1
oklch(55.5% 0.227 329.4)
-
Step 700
700
#9C1699
oklch(49.2% 0.211 329.3)
-
Step 800
800 (this color)
#811B7E
oklch(43.4% 0.175 329.4)
-
Step 900
900
#661D64
oklch(37.7% 0.137 329)
-
Step 950
950
#3C133A
oklch(27% 0.086 329.6)
#811B7E 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) | #074281 | 0.190 |
| Deuteranopia (no green cones) | #3A4F7C | 0.159 |
| Tritanopia (no blue cones) | #862B4C | 0.095 |
| Achromatopsia (no color) | #4B4B4B | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811B7E
#811B7E
oklch(43.4% 0.175 329.4)
- #006228
#006228
oklch(43.3% 0.121 149.4)
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 #811B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.023
- Dark Magenta #8B008B ΔE 0.033
- Warm Purple #952E8F ΔE 0.058
- Red Violet #9E0168 ΔE 0.072
- Rich Purple #720058 ΔE 0.073
- Rebecca Purple #663399 ΔE 0.077
- Velvet #750851 ΔE 0.079
- Light Eggplant #894585 ΔE 0.081
Use #811B7E 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.