#817D8D
Closest named color: Lavender Gray (#7E7F9A). oklch(59.9% 0.024 297.1), rgb(129, 125, 141).
Aa
Black text reads best on this color (5.25:1).
About this color
#817D8D is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.019 away. Black text reads best on it, at 5.25:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #817D8D |
| RGB | rgb(129, 125, 141) |
| HSL | hsl(255, 7%, 52%) |
| OKLCH | oklch(59.9% 0.024 297.1) |
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 #817D8D | 3.99:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #817D8D | 5.25:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #817D8D text on white | 3.99:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #817D8D text on black | 5.25:1 | AA | Lc -34.3 | 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 500.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DD
oklch(88.4% 0.007 295.4)
-
Step 300
300
#C1BFC8
oklch(80.9% 0.013 296.3)
-
Step 400
400
#A19EAB
oklch(70.6% 0.019 296.5)
-
Step 500
500 (this color)
#817D8D
oklch(59.9% 0.024 297.1)
-
Step 600
600
#757081
oklch(55.6% 0.027 299)
-
Step 700
700
#625E6D
oklch(49.1% 0.024 297.7)
-
Step 800
800
#504D59
oklch(42.8% 0.02 297)
-
Step 900
900
#424049
oklch(37.7% 0.015 295.8)
-
Step 950
950
#27252B
oklch(26.9% 0.011 300.8)
#817D8D 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) | #7A7F8E | 0.011 |
| Deuteranopia (no green cones) | #7B7F8C | 0.011 |
| Tritanopia (no blue cones) | #7F7F82 | 0.020 |
| Achromatopsia (no color) | #7F7F7F | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817D8D
#817D8D
oklch(59.9% 0.024 297.1)
- #7E8272
#7E8272
oklch(59.8% 0.024 118.5)
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 #817D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.019
- Slate Gray #708090 ΔE 0.024
- Gray #808080 ΔE 0.024
- Steel #738595 ΔE 0.027
- Steel Grey #6F828A ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.030
- Light Slate Gray #778899 ΔE 0.032
- Purpley Grey #947E94 ΔE 0.032
Use #817D8D 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.