#81577B
Closest named color: Dull Purple (#84597E). oklch(51.5% 0.076 331.7), rgb(129, 87, 123).
Aa
White text reads best on this color (5.86:1).
About this color
#81577B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.076 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Purple (#84597E), ΔE 0.009 away. White text reads best on it, at 5.86:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dull Purple (#84597E) |
| Black text | 3.58:1 |
| White text | 5.86:1 |
Values
| HEX | #81577B |
| RGB | rgb(129, 87, 123) |
| HSL | hsl(309, 19%, 42%) |
| OKLCH | oklch(51.5% 0.076 331.7) |
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 #81577B | 5.86:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #81577B | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #81577B text on white | 5.86:1 | AA | Lc 79.2 | Fine for body text |
| #81577B text on black | 3.58:1 | AA large text | Lc -22.6 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7ED
oklch(93.5% 0.011 330.2)
-
Step 200
200
#E2D4DF
oklch(88.4% 0.021 332.9)
-
Step 300
300
#CFB8CB
oklch(80.8% 0.037 331.7)
-
Step 400
400
#B794B1
oklch(70.8% 0.058 332.1)
-
Step 500
500
#A5799E
oklch(63.2% 0.075 332)
-
Step 600
600
#8F6189
oklch(55.5% 0.082 331.3)
-
Step 700
700 (this color)
#81577B
oklch(51.5% 0.076 331.7)
-
Step 800
800
#63425E
oklch(42.7% 0.062 332.1)
-
Step 900
900
#51384D
oklch(37.7% 0.048 332.2)
-
Step 950
950
#2F212D
oklch(27% 0.03 331.3)
#81577B 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) | #56617C | 0.072 |
| Deuteranopia (no green cones) | #60677A | 0.067 |
| Tritanopia (no blue cones) | #855964 | 0.040 |
| Achromatopsia (no color) | #656565 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81577B
#81577B
oklch(51.5% 0.076 331.7)
- #447451
#447451
oklch(51.4% 0.077 151.6)
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 #81577B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Purple #84597E ΔE 0.009
- Dusky Purple #895B7B ΔE 0.019
- Muted Purple #805B87 ΔE 0.019
- Dusty Purple #825F87 ΔE 0.025
- Dark Mauve #874C62 ΔE 0.042
- Light Eggplant #894585 ΔE 0.052
- Light Plum #9D5783 ΔE 0.053
- Dark Lavender #856798 ΔE 0.055
Use #81577B 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.