#576C6B
Closest named color: Dim Gray (#696969). oklch(51.4% 0.025 192.8), rgb(87, 108, 107).
Aa
White text reads best on this color (5.58:1).
About this color
#576C6B 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 Dim Gray (#696969), ΔE 0.026 away. White text reads best on it, at 5.58:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #576C6B |
| RGB | rgb(87, 108, 107) |
| HSL | hsl(177, 11%, 38%) |
| OKLCH | oklch(51.4% 0.025 192.8) |
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 #576C6B | 5.58:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #576C6B | 3.76:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #576C6B text on white | 5.58:1 | AA | Lc 77.9 | Fine for body text |
| #576C6B text on black | 3.76:1 | AA large text | Lc -23.9 | 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
#E7EAEA
oklch(93.5% 0.003 197.1)
-
Step 200
200
#D4DADA
oklch(88.4% 0.007 197)
-
Step 300
300
#B8C3C3
oklch(80.9% 0.012 196.9)
-
Step 400
400
#93A5A4
oklch(70.8% 0.02 192.6)
-
Step 500
500
#798E8D
oklch(63% 0.024 193)
-
Step 600
600
#627977
oklch(55.7% 0.027 189.9)
-
Step 700
700 (this color)
#576C6B
oklch(51.4% 0.025 192.8)
-
Step 800
800
#425352
oklch(42.7% 0.021 192)
-
Step 900
900
#384444
oklch(37.6% 0.016 196.5)
-
Step 950
950
#212828
oklch(27% 0.01 196.6)
#576C6B 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) | #696A6B | 0.026 |
| Deuteranopia (no green cones) | #65676B | 0.024 |
| Tritanopia (no blue cones) | #516D6C | 0.008 |
| Achromatopsia (no color) | #686868 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576C6B
#576C6B
oklch(51.4% 0.025 192.8)
- #756263
#756263
oklch(51.5% 0.025 14.4)
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 #576C6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.026
- Slate #516572 ΔE 0.029
- Battleship Gray #6C757D ΔE 0.048
- Metallic Blue #4F738E ΔE 0.053
- Deep Turquoise #017374 ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.062
- Deep Aqua #08787F ΔE 0.063
- Battleship Grey #6B7C85 ΔE 0.064
Use #576C6B 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.