#576871
Closest named color: Slate (#516572). oklch(50.6% 0.025 231), rgb(87, 104, 113).
Aa
White text reads best on this color (5.79:1).
About this color
#576871 is a medium-dark close to neutral grey. In OKLCH its lightness is 51%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.013 away. White text reads best on it, at 5.79:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #576871 |
| RGB | rgb(87, 104, 113) |
| HSL | hsl(201, 13%, 39%) |
| OKLCH | oklch(50.6% 0.025 231) |
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 #576871 | 5.79:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #576871 | 3.62:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #576871 text on white | 5.79:1 | AA | Lc 79.0 | Fine for body text |
| #576871 text on black | 3.62:1 | AA large text | Lc -22.8 | 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
#95A3AB
oklch(70.7% 0.02 232.6)
-
Step 500
500
#7B8D96
oklch(63.2% 0.025 229.3)
-
Step 600
600
#647780
oklch(55.7% 0.026 228.1)
-
Step 700
700 (this color)
#576871
oklch(50.6% 0.025 231)
-
Step 800
800
#445158
oklch(42.6% 0.02 231.4)
-
Step 900
900
#394349
oklch(37.6% 0.017 234.2)
-
Step 950
950
#22272B
oklch(26.9% 0.01 242.1)
#576871 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) | #646771 | 0.019 |
| Deuteranopia (no green cones) | #606471 | 0.017 |
| Tritanopia (no blue cones) | #506B6B | 0.018 |
| Achromatopsia (no color) | #656565 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576871
#576871
oklch(50.6% 0.025 231)
- #716158
#716158
oklch(50.5% 0.025 51.2)
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 #576871, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.013
- Dim Gray #696969 ΔE 0.029
- Metallic Blue #4F738E ΔE 0.048
- Battleship Gray #6C757D ΔE 0.052
- Dusty Grape #545775 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.058
- Denim #3B638C ΔE 0.060
- Deep Turquoise #017374 ΔE 0.067
Use #576871 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.