#817581
Closest named color: Purple Grey (#866F85). oklch(57.7% 0.023 325.9), rgb(129, 117, 129).
Aa
Black text reads best on this color (4.79:1).
About this color
#817581 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Purple Grey (#866F85), ΔE 0.021 away. Black text reads best on it, at 4.79:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #817581 |
| RGB | rgb(129, 117, 129) |
| HSL | hsl(300, 5%, 48%) |
| OKLCH | oklch(57.7% 0.023 325.9) |
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 #817581 | 4.37:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #817581 | 4.79:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #817581 text on white | 4.37:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #817581 text on black | 4.79:1 | AA | Lc -31.3 | 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 600.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DBD8DB
oklch(88.5% 0.005 325.6)
-
Step 300
300
#C4BEC4
oklch(80.8% 0.011 325.7)
-
Step 400
400
#A69DA6
oklch(70.6% 0.016 325.8)
-
Step 500
500
#918590
oklch(63.1% 0.021 328.4)
-
Step 600
600 (this color)
#817581
oklch(57.7% 0.023 325.9)
-
Step 700
700
#675D67
oklch(49.1% 0.02 325.9)
-
Step 800
800
#544C54
oklch(42.7% 0.017 325.9)
-
Step 900
900
#463F46
oklch(37.7% 0.015 325.9)
-
Step 950
950
#292529
oklch(27% 0.009 325.8)
#817581 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) | #747882 | 0.020 |
| Deuteranopia (no green cones) | #777981 | 0.018 |
| Tritanopia (no blue cones) | #827679 | 0.014 |
| Achromatopsia (no color) | #797979 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817581
#817581
oklch(57.7% 0.023 325.9)
- #717D71
#717D71
oklch(57.6% 0.023 145.3)
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 #817581, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.021
- Gray #808080 ΔE 0.032
- Medium Grey #7D7F7C ΔE 0.033
- Grey Purple #826D8C ΔE 0.033
- Battleship Gray #6C757D ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.035
- Slate Gray #708090 ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.040
Use #817581 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.