#576A66
Closest named color: Dim Gray (#696969). oklch(50.7% 0.024 181.1), rgb(87, 106, 102).
Aa
White text reads best on this color (5.73:1).
About this color
#576A66 is a medium-dark close to neutral grey. In OKLCH its lightness is 51%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.027 away. White text reads best on it, at 5.73:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.65:1 |
| White text | 5.73:1 |
Values
| HEX | #576A66 |
| RGB | rgb(87, 106, 102) |
| HSL | hsl(167, 10%, 38%) |
| OKLCH | oklch(50.7% 0.024 181.1) |
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 #576A66 | 5.73:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #576A66 | 3.65:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #576A66 text on white | 5.73:1 | AA | Lc 78.7 | Fine for body text |
| #576A66 text on black | 3.65:1 | AA large text | Lc -23.1 | 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
#E7EAEA
oklch(93.5% 0.003 197.1)
-
Step 200
200
#D5DAD9
oklch(88.4% 0.006 183)
-
Step 300
300
#B9C3C1
oklch(80.9% 0.011 182.8)
-
Step 400
400
#95A5A1
oklch(70.8% 0.019 179.1)
-
Step 500
500
#7B8E8A
oklch(63% 0.023 181.5)
-
Step 600
600
#647874
oklch(55.5% 0.024 181.9)
-
Step 700
700 (this color)
#576A66
oklch(50.7% 0.024 181.1)
-
Step 800
800
#44534F
oklch(42.8% 0.02 177.4)
-
Step 900
900
#394442
oklch(37.6% 0.015 183.3)
-
Step 950
950
#212827
oklch(27% 0.01 186.1)
#576A66 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) | #686866 | 0.025 |
| Deuteranopia (no green cones) | #646566 | 0.023 |
| Tritanopia (no blue cones) | #526B69 | 0.007 |
| Achromatopsia (no color) | #666666 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576A66
#576A66
oklch(50.7% 0.024 181.1)
- #726064
#726064
oklch(50.8% 0.024 3)
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 #576A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.027
- Slate #516572 ΔE 0.030
- Battleship Gray #6C757D ΔE 0.055
- Metallic Blue #4F738E ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.063
- Deep Turquoise #017374 ΔE 0.063
- Dark Taupe #7F684E ΔE 0.066
- Dark Aqua #05696B ΔE 0.066
Use #576A66 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.