#817B70
Closest named color: Medium Grey (#7D7F7C). oklch(58.5% 0.018 82.8), rgb(129, 123, 112).
Aa
Black text reads best on this color (5.00:1).
About this color
#817B70 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Medium Grey (#7D7F7C), ΔE 0.018 away. Black text reads best on it, at 5.00:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Medium Grey (#7D7F7C) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #817B70 |
| RGB | rgb(129, 123, 112) |
| HSL | hsl(39, 7%, 47%) |
| OKLCH | oklch(58.5% 0.018 82.8) |
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 #817B70 | 4.19:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #817B70 | 5.00:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #817B70 text on white | 4.19:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #817B70 text on black | 5.00:1 | AA | Lc -32.7 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#DAD9D6
oklch(88.5% 0.004 91.5)
-
Step 300
300
#C3C0BB
oklch(80.9% 0.008 80.7)
-
Step 400
400
#A4A098
oklch(70.7% 0.012 84.6)
-
Step 500
500
#8E897E
oklch(63.1% 0.017 86.5)
-
Step 600
600 (this color)
#817B70
oklch(58.5% 0.018 82.8)
-
Step 700
700
#656056
oklch(49.1% 0.017 84.6)
-
Step 800
800
#534E47
oklch(42.6% 0.013 76.5)
-
Step 900
900
#44413B
oklch(37.6% 0.011 84.6)
-
Step 950
950
#282623
oklch(27% 0.006 78.2)
#817B70 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) | #7E7B6F | 0.005 |
| Deuteranopia (no green cones) | #807C70 | 0.003 |
| Tritanopia (no blue cones) | #847978 | 0.016 |
| Achromatopsia (no color) | #7C7C7C | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817B70
#817B70
oklch(58.5% 0.018 82.8)
- #767C87
#767C87
oklch(58.5% 0.018 262.7)
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 #817B70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Grey #7D7F7C ΔE 0.018
- Gray #808080 ΔE 0.023
- Brown Grey #8D8468 ΔE 0.038
- Reddish Grey #997570 ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.042
- Steel Grey #6F828A ΔE 0.042
- Battleship Gray #6C757D ΔE 0.044
- Grey Brown #7F7053 ΔE 0.044
Use #817B70 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.