#81579D
Closest named color: Muted Purple (#805B87). oklch(53.1% 0.115 310.6), rgb(129, 87, 157).
Aa
White text reads best on this color (5.55:1).
About this color
#81579D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.115 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 0.039 away. White text reads best on it, at 5.55:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #81579D |
| RGB | rgb(129, 87, 157) |
| HSL | hsl(276, 29%, 48%) |
| OKLCH | oklch(53.1% 0.115 310.6) |
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 #81579D | 5.55:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #81579D | 3.78:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #81579D text on white | 5.55:1 | AA | Lc 77.6 | Fine for body text |
| #81579D text on black | 3.78:1 | AA large text | Lc -24.2 | 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
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD4E8
oklch(88.5% 0.03 310.1)
-
Step 300
300
#CBB8DA
oklch(80.9% 0.051 310.2)
-
Step 400
400
#B192C7
oklch(70.7% 0.083 310.8)
-
Step 500
500
#9E76B9
oklch(63% 0.107 310.9)
-
Step 600
600 (this color)
#81579D
oklch(53.1% 0.115 310.6)
-
Step 700
700
#744D8D
oklch(49% 0.108 311)
-
Step 800
800
#5E4073
oklch(42.7% 0.089 310.2)
-
Step 900
900
#4D365D
oklch(37.6% 0.07 310.4)
-
Step 950
950
#2D2036
oklch(26.9% 0.044 310.7)
#81579D 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) | #4866A0 | 0.090 |
| Deuteranopia (no green cones) | #53699B | 0.082 |
| Tritanopia (no blue cones) | #7E6272 | 0.083 |
| Achromatopsia (no color) | #686868 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81579D
#81579D
oklch(53.1% 0.115 310.6)
- #54792A
#54792A
oklch(53.1% 0.116 130.8)
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 #81579D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Purple #805B87 ΔE 0.039
- Dusty Purple #825F87 ΔE 0.046
- Dark Lavender #856798 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.047
- Light Eggplant #894585 ΔE 0.052
- Dull Purple #84597E ΔE 0.052
- Dusky Purple #895B7B ΔE 0.060
- Light Plum #9D5783 ΔE 0.066
Use #81579D 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.