#576771
Closest named color: Slate (#516572). oklch(50.4% 0.025 235.4), rgb(87, 103, 113).
Aa
White text reads best on this color (5.85:1).
About this color
#576771 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.011 away. White text reads best on it, at 5.85:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #576771 |
| RGB | rgb(87, 103, 113) |
| HSL | hsl(203, 13%, 39%) |
| OKLCH | oklch(50.4% 0.025 235.4) |
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 #576771 | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #576771 | 3.58:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #576771 text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #576771 text on black | 3.58:1 | AA large text | Lc -22.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#B9C2C7
oklch(80.9% 0.012 231.7)
-
Step 400
400
#96A3AB
oklch(70.8% 0.019 234.6)
-
Step 500
500
#7C8C97
oklch(63.1% 0.025 237.9)
-
Step 600
600
#657681
oklch(55.6% 0.026 236.4)
-
Step 700
700 (this color)
#576771
oklch(50.4% 0.025 235.4)
-
Step 800
800
#445159
oklch(42.7% 0.021 235)
-
Step 900
900
#3A4349
oklch(37.7% 0.016 237.1)
-
Step 950
950
#22272B
oklch(26.9% 0.01 242.1)
#576771 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) | #626672 | 0.016 |
| Deuteranopia (no green cones) | #5F6371 | 0.016 |
| Tritanopia (no blue cones) | #506A6A | 0.019 |
| Achromatopsia (no color) | #656565 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576771
#576771
oklch(50.4% 0.025 235.4)
- #706157
#706157
oklch(50.4% 0.025 55.8)
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 #576771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.011
- Dim Gray #696969 ΔE 0.030
- Metallic Blue #4F738E ΔE 0.049
- Dusty Grape #545775 ΔE 0.052
- Battleship Gray #6C757D ΔE 0.054
- YInMn Blue #415A77 ΔE 0.055
- Denim #3B638C ΔE 0.058
- Deep Turquoise #017374 ΔE 0.068
Use #576771 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.