#818573
Closest named color: Brown Grey (#8D8468). oklch(60.8% 0.027 117.4), rgb(129, 133, 115).
Aa
Black text reads best on this color (5.53:1).
About this color
#818573 is a medium-dark close to neutral grey. In OKLCH its lightness is 61%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Brown Grey (#8D8468), ΔE 0.021 away. Black text reads best on it, at 5.53:1.
| Hue family | Neutrals |
| Lightness | medium-dark (61%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Brown Grey (#8D8468) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #818573 |
| RGB | rgb(129, 133, 115) |
| HSL | hsl(73, 7%, 49%) |
| OKLCH | oklch(60.8% 0.027 117.4) |
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 #818573 | 3.79:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #818573 | 5.53:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #818573 text on white | 3.79:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #818573 text on black | 5.53:1 | AA | Lc -36.2 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD4
oklch(88.5% 0.008 121.6)
-
Step 300
300
#C0C2B8
oklch(81% 0.014 115.9)
-
Step 400
400
#9FA394
oklch(70.8% 0.022 119.1)
-
Step 500
500 (this color)
#818573
oklch(60.8% 0.027 117.4)
-
Step 600
600
#727663
oklch(55.7% 0.029 117)
-
Step 700
700
#5F6352
oklch(49.1% 0.027 118.1)
-
Step 800
800
#4E5143
oklch(42.8% 0.023 117.2)
-
Step 900
900
#414339
oklch(37.8% 0.017 116.4)
-
Step 950
950
#262721
oklch(27% 0.011 114.8)
#818573 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) | #888372 | 0.011 |
| Deuteranopia (no green cones) | #878374 | 0.011 |
| Tritanopia (no blue cones) | #838380 | 0.023 |
| Achromatopsia (no color) | #838383 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818573
#818573
oklch(60.8% 0.027 117.4)
- #847F91
#847F91
oklch(60.7% 0.028 298.3)
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 #818573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Grey #8D8468 ΔE 0.021
- Medium Grey #7D7F7C ΔE 0.026
- Gray #808080 ΔE 0.028
- Green Grey #77926F ΔE 0.042
- Warm Grey #978A84 ΔE 0.044
- Steel Grey #6F828A ΔE 0.044
- Slate Green #658D6D ΔE 0.046
- Steel #738595 ΔE 0.053
Use #818573 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.