#576764
Closest named color: Slate (#516572). oklch(49.9% 0.02 182.9), rgb(87, 103, 100).
Aa
White text reads best on this color (5.95:1).
About this color
#576764 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 0.026 away. White text reads best on it, at 5.95:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #576764 |
| RGB | rgb(87, 103, 100) |
| HSL | hsl(169, 8%, 37%) |
| OKLCH | oklch(49.9% 0.02 182.9) |
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 #576764 | 5.95:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #576764 | 3.52:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #576764 text on white | 5.95:1 | AA | Lc 79.8 | Fine for body text |
| #576764 text on black | 3.52:1 | AA large text | Lc -22.1 | 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
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DAD9
oklch(88.4% 0.006 183)
-
Step 300
300
#BAC3C1
oklch(81% 0.01 181.3)
-
Step 400
400
#97A4A1
oklch(70.7% 0.015 180.5)
-
Step 500
500
#7D8E8A
oklch(63.2% 0.02 179.9)
-
Step 600
600
#667874
oklch(55.7% 0.022 180.5)
-
Step 700
700 (this color)
#576764
oklch(49.9% 0.02 182.9)
-
Step 800
800
#455250
oklch(42.7% 0.017 185.3)
-
Step 900
900
#3A4442
oklch(37.7% 0.014 182.2)
-
Step 950
950
#222827
oklch(27.1% 0.009 184.6)
#576764 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) | #656564 | 0.021 |
| Deuteranopia (no green cones) | #626364 | 0.019 |
| Tritanopia (no blue cones) | #536866 | 0.006 |
| Achromatopsia (no color) | #646464 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576764
#576764
oklch(49.9% 0.02 182.9)
- #6E5F62
#6E5F62
oklch(50.1% 0.02 4.2)
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 #576764, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.026
- Dim Gray #696969 ΔE 0.029
- Battleship Gray #6C757D ΔE 0.061
- Dusty Grape #545775 ΔE 0.064
- Metallic Blue #4F738E ΔE 0.065
- Dark Aqua #05696B ΔE 0.066
- YInMn Blue #415A77 ΔE 0.066
- Dark Aquamarine #017371 ΔE 0.066
Use #576764 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.