#817781
Closest named color: Purple Grey (#866F85). oklch(58.2% 0.019 325.8), rgb(129, 119, 129).
Aa
Black text reads best on this color (4.88:1).
About this color
#817781 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Purple Grey (#866F85), ΔE 0.026 away. Black text reads best on it, at 4.88:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #817781 |
| RGB | rgb(129, 119, 129) |
| HSL | hsl(300, 4%, 49%) |
| OKLCH | oklch(58.2% 0.019 325.8) |
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 #817781 | 4.29:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #817781 | 4.88:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #817781 text on white | 4.29:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #817781 text on black | 4.88:1 | AA | Lc -31.9 | 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 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
#C4BFC4
oklch(81% 0.009 325.7)
-
Step 400
400
#A59EA5
oklch(70.7% 0.013 325.7)
-
Step 500
500
#8F868F
oklch(63.1% 0.017 325.8)
-
Step 600
600 (this color)
#817781
oklch(58.2% 0.019 325.8)
-
Step 700
700
#665D66
oklch(49% 0.018 325.8)
-
Step 800
800
#534C53
oklch(42.6% 0.015 325.8)
-
Step 900
900
#454045
oklch(37.8% 0.011 325.8)
-
Step 950
950
#282528
oklch(26.9% 0.007 325.8)
#817781 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) | #767981 | 0.017 |
| Deuteranopia (no green cones) | #787A81 | 0.015 |
| Tritanopia (no blue cones) | #82787A | 0.012 |
| Achromatopsia (no color) | #7A7A7A | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817781
#817781
oklch(58.2% 0.019 325.8)
- #747E74
#747E74
oklch(58.2% 0.019 145.3)
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 #817781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.026
- Gray #808080 ΔE 0.027
- Medium Grey #7D7F7C ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.033
- Battleship Gray #6C757D ΔE 0.033
- Slate Gray #708090 ΔE 0.034
- Steel Grey #6F828A ΔE 0.037
- Grey Purple #826D8C ΔE 0.038
Use #817781 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.