#817C8C
Closest named color: Lavender Gray (#7E7F9A). oklch(59.6% 0.025 299.9), rgb(129, 124, 140).
Aa
Black text reads best on this color (5.19:1).
About this color
#817C8C is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.021 away. Black text reads best on it, at 5.19:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #817C8C |
| RGB | rgb(129, 124, 140) |
| HSL | hsl(259, 7%, 52%) |
| OKLCH | oklch(59.6% 0.025 299.9) |
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 #817C8C | 4.04:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #817C8C | 5.19:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #817C8C text on white | 4.04:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #817C8C text on black | 5.19:1 | AA | Lc -34.0 | 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
#DAD8DD
oklch(88.5% 0.007 304.2)
-
Step 300
300
#C1BFC7
oklch(80.9% 0.011 297.6)
-
Step 400
400
#A29EAB
oklch(70.7% 0.019 299.9)
-
Step 500
500 (this color)
#817C8C
oklch(59.6% 0.025 299.9)
-
Step 600
600
#757081
oklch(55.6% 0.027 299)
-
Step 700
700
#635E6D
oklch(49.2% 0.024 300.7)
-
Step 800
800
#504D59
oklch(42.8% 0.02 297)
-
Step 900
900
#434049
oklch(37.8% 0.016 300.8)
-
Step 950
950
#27252B
oklch(26.9% 0.011 300.8)
#817C8C 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) | #797E8D | 0.012 |
| Deuteranopia (no green cones) | #7A7E8B | 0.012 |
| Tritanopia (no blue cones) | #7F7E81 | 0.020 |
| Achromatopsia (no color) | #7E7E7E | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817C8C
#817C8C
oklch(59.6% 0.025 299.9)
- #7D8171
#7D8171
oklch(59.5% 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 #817C8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.021
- Gray #808080 ΔE 0.025
- Slate Gray #708090 ΔE 0.025
- Steel #738595 ΔE 0.029
- Medium Grey #7D7F7C ΔE 0.030
- Steel Grey #6F828A ΔE 0.030
- Purpley Grey #947E94 ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.035
Use #817C8C 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.