#816D91
Closest named color: Grey Purple (#826D8C). oklch(56.7% 0.059 309.7), rgb(129, 109, 145).
Aa
White text reads best on this color (4.63:1).
About this color
#816D91 is a medium-dark, muted purple. In OKLCH its lightness is 57%, its chroma 0.059 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Purple (#826D8C), ΔE 0.008 away. White text reads best on it, at 4.63:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Grey Purple (#826D8C) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #816D91 |
| RGB | rgb(129, 109, 145) |
| HSL | hsl(273, 14%, 50%) |
| OKLCH | oklch(56.7% 0.059 309.7) |
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 #816D91 | 4.63:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #816D91 | 4.52:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #816D91 text on white | 4.63:1 | AA | Lc 72.2 | Content text, not long reading |
| #816D91 text on black | 4.52:1 | AA | Lc -29.5 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE8EE
oklch(93.5% 0.009 308.4)
-
Step 200
200
#DCD7E1
oklch(88.6% 0.015 308.3)
-
Step 300
300
#C6BCCE
oklch(80.9% 0.027 310.3)
-
Step 400
400
#A99AB5
oklch(70.8% 0.042 310.1)
-
Step 500
500
#9381A3
oklch(63.1% 0.054 308.8)
-
Step 600
600 (this color)
#816D91
oklch(56.7% 0.059 309.7)
-
Step 700
700
#6A5878
oklch(49% 0.055 309.9)
-
Step 800
800
#574862
oklch(42.7% 0.046 310.6)
-
Step 900
900
#473C50
oklch(37.6% 0.036 309.5)
-
Step 950
950
#2A232F
oklch(26.9% 0.024 311)
#816D91 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) | #677493 | 0.041 |
| Deuteranopia (no green cones) | #6B7590 | 0.039 |
| Tritanopia (no blue cones) | #7F7279 | 0.045 |
| Achromatopsia (no color) | #757575 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #816D91
#816D91
oklch(56.7% 0.059 309.7)
- #6B7E59
#6B7E59
oklch(56.8% 0.059 130.2)
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 #816D91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Purple #826D8C ΔE 0.008
- Purple Grey #866F85 ΔE 0.023
- Dark Lavender #856798 ΔE 0.023
- Faded Purple #916E99 ΔE 0.030
- Dusty Purple #825F87 ΔE 0.037
- Muted Purple #805B87 ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.048
- Dusky Purple #895B7B ΔE 0.051
Use #816D91 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.