#81537B
Closest named color: Dull Purple (#84597E). oklch(50.7% 0.083 331.4), rgb(129, 83, 123).
Aa
White text reads best on this color (6.07:1).
About this color
#81537B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.083 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Purple (#84597E), ΔE 0.017 away. White text reads best on it, at 6.07:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dull Purple (#84597E) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #81537B |
| RGB | rgb(129, 83, 123) |
| HSL | hsl(308, 22%, 42%) |
| OKLCH | oklch(50.7% 0.083 331.4) |
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 #81537B | 6.07:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #81537B | 3.45:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #81537B text on white | 6.07:1 | AA | Lc 80.2 | Fine for body text |
| #81537B text on black | 3.45:1 | AA large text | Lc -21.6 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E2D4E0
oklch(88.5% 0.022 330.3)
-
Step 300
300
#D1B8CD
oklch(81% 0.04 331.2)
-
Step 400
400
#B992B3
oklch(70.7% 0.065 331.5)
-
Step 500
500
#A777A0
oklch(63.1% 0.082 331.7)
-
Step 600
600
#925F8B
oklch(55.6% 0.09 331.7)
-
Step 700
700 (this color)
#81537B
oklch(50.7% 0.083 331.4)
-
Step 800
800
#654060
oklch(42.6% 0.07 331.6)
-
Step 900
900
#52374F
oklch(37.7% 0.054 330.5)
-
Step 950
950
#30202E
oklch(26.9% 0.034 330.8)
#81537B 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) | #525E7D | 0.080 |
| Deuteranopia (no green cones) | #5D657A | 0.074 |
| Tritanopia (no blue cones) | #855662 | 0.044 |
| Achromatopsia (no color) | #626262 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81537B
#81537B
oklch(50.7% 0.083 331.4)
- #3E734D
#3E734D
oklch(50.8% 0.083 151.6)
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 #81537B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Purple #84597E ΔE 0.017
- Muted Purple #805B87 ΔE 0.024
- Dusky Purple #895B7B ΔE 0.027
- Dusty Purple #825F87 ΔE 0.033
- Dark Mauve #874C62 ΔE 0.040
- Light Eggplant #894585 ΔE 0.043
- Light Plum #9D5783 ΔE 0.055
- Dark Lavender #856798 ΔE 0.061
Use #81537B 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.