#576661
Closest named color: Slate (#516572). oklch(49.6% 0.02 173.4), rgb(87, 102, 97).
Aa
White text reads best on this color (6.03:1).
About this color
#576661 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.029 away. White text reads best on it, at 6.03:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.47:1 |
| White text | 6.03:1 |
Values
| HEX | #576661 |
| RGB | rgb(87, 102, 97) |
| HSL | hsl(160, 8%, 37%) |
| OKLCH | oklch(49.6% 0.02 173.4) |
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 #576661 | 6.03:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #576661 | 3.47:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #576661 text on white | 6.03:1 | AA | Lc 80.2 | Fine for body text |
| #576661 text on black | 3.47:1 | AA large text | Lc -21.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D6DAD9
oklch(88.5% 0.005 179.7)
-
Step 300
300
#BBC3C0
oklch(81% 0.01 171.7)
-
Step 400
400
#97A4A0
oklch(70.7% 0.016 175.5)
-
Step 500
500
#7E8E88
oklch(63.2% 0.021 171.1)
-
Step 600
600
#677872
oklch(55.7% 0.022 172.2)
-
Step 700
700 (this color)
#576661
oklch(49.6% 0.02 173.4)
-
Step 800
800
#46524E
oklch(42.7% 0.017 173.4)
-
Step 900
900
#3B4441
oklch(37.7% 0.013 173.6)
-
Step 950
950
#232826
oklch(27.1% 0.008 169.8)
#576661 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) | #656461 | 0.021 |
| Deuteranopia (no green cones) | #626261 | 0.019 |
| Tritanopia (no blue cones) | #546664 | 0.006 |
| Achromatopsia (no color) | #636363 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576661
#576661
oklch(49.6% 0.02 173.4)
- #6C5E63
#6C5E63
oklch(49.7% 0.02 354.2)
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 #576661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.029
- Dim Gray #696969 ΔE 0.032
- Dusty Grape #545775 ΔE 0.065
- Battleship Gray #6C757D ΔE 0.065
- Dark Green Blue #1F6357 ΔE 0.066
- Dark Aqua #05696B ΔE 0.066
- YInMn Blue #415A77 ΔE 0.067
- Dark Taupe #7F684E ΔE 0.067
Use #576661 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.