#81809B
Closest named color: Lavender Gray (#7E7F9A). oklch(61% 0.041 286.8), rgb(129, 128, 155).
Aa
Black text reads best on this color (5.49:1).
About this color
#81809B is a medium-dark, muted purple. In OKLCH its lightness is 61%, its chroma 0.041 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.006 away. Black text reads best on it, at 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #81809B |
| RGB | rgb(129, 128, 155) |
| HSL | hsl(242, 12%, 55%) |
| OKLCH | oklch(61% 0.041 286.8) |
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 #81809B | 3.82:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #81809B | 5.49:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #81809B text on white | 3.82:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #81809B text on black | 5.49:1 | AA | Lc -35.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BFBFCD
oklch(80.9% 0.02 286)
-
Step 400
400
#9F9EB4
oklch(70.7% 0.032 287.6)
-
Step 500
500 (this color)
#81809B
oklch(61% 0.041 286.8)
-
Step 600
600
#71708C
oklch(55.6% 0.043 286.5)
-
Step 700
700
#5F5D77
oklch(49% 0.041 288.3)
-
Step 800
800
#4D4C61
oklch(42.6% 0.035 287)
-
Step 900
900
#40404F
oklch(37.7% 0.025 285.1)
-
Step 950
950
#26252E
oklch(26.9% 0.017 290.3)
#81809B 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) | #7A839C | 0.012 |
| Deuteranopia (no green cones) | #79829A | 0.013 |
| Tritanopia (no blue cones) | #7C8489 | 0.034 |
| Achromatopsia (no color) | #828282 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81809B
#81809B
oklch(61% 0.041 286.8)
- #868569
#868569
oklch(61% 0.04 105.8)
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 #81809B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.006
- Light Slate Gray #778899 ΔE 0.027
- Steel #738595 ΔE 0.027
- Purpley Grey #947E94 ΔE 0.029
- Slate Gray #708090 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.037
- Steel Grey #6F828A ΔE 0.040
Use #81809B 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.