#81539D
Closest named color: Muted Purple (#805B87). oklch(52.4% 0.122 311.5), rgb(129, 83, 157).
Aa
White text reads best on this color (5.74:1).
About this color
#81539D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.122 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Purple (#805B87), ΔE 0.045 away. White text reads best on it, at 5.74:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #81539D |
| RGB | rgb(129, 83, 157) |
| HSL | hsl(277, 31%, 47%) |
| OKLCH | oklch(52.4% 0.122 311.5) |
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 #81539D | 5.74:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #81539D | 3.65:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #81539D text on white | 5.74:1 | AA | Lc 78.5 | Fine for body text |
| #81539D text on black | 3.65:1 | AA large text | Lc -23.3 | 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 600.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#E0D4E8
oklch(88.6% 0.03 312.1)
-
Step 300
300
#CCB7DB
oklch(80.9% 0.055 311.2)
-
Step 400
400
#B391C9
oklch(70.7% 0.088 311.7)
-
Step 500
500
#A075BB
oklch(63.2% 0.112 311.6)
-
Step 600
600 (this color)
#81539D
oklch(52.4% 0.122 311.5)
-
Step 700
700
#764C8F
oklch(49.2% 0.113 311.8)
-
Step 800
800
#603E74
oklch(42.6% 0.095 312)
-
Step 900
900
#4E355E
oklch(37.6% 0.074 311.3)
-
Step 950
950
#2E2037
oklch(27.1% 0.046 311.5)
#81539D 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) | #4364A0 | 0.098 |
| Deuteranopia (no green cones) | #4F679B | 0.090 |
| Tritanopia (no blue cones) | #7E5E70 | 0.085 |
| Achromatopsia (no color) | #666666 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81539D
#81539D
oklch(52.4% 0.122 311.5)
- #4F7823
#4F7823
oklch(52.4% 0.123 131.7)
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 #81539D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Purple #805B87 ΔE 0.045
- Light Eggplant #894585 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.050
- Dusty Purple #825F87 ΔE 0.053
- Dark Lavender #856798 ΔE 0.056
- Dull Purple #84597E ΔE 0.056
- Dusky Purple #895B7B ΔE 0.066
- Purply #983FB2 ΔE 0.068
Use #81539D 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.