#596363
Closest named color: Slate (#516572). oklch(49.1% 0.012 196.8), rgb(89, 99, 99).
Aa
White text reads best on this color (6.19:1).
About this color
#596363 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.012. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.024 away. White text reads best on it, at 6.19:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.012) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #596363 |
| RGB | rgb(89, 99, 99) |
| HSL | hsl(180, 5%, 37%) |
| OKLCH | oklch(49.1% 0.012 196.8) |
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 #596363 | 6.19:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #596363 | 3.38:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #596363 text on white | 6.19:1 | AA | Lc 80.9 | Fine for body text |
| #596363 text on black | 3.38:1 | AA large text | Lc -20.9 | 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
#F5F5F5
oklch(97% 0 0)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D7DADA
oklch(88.6% 0.003 197.1)
-
Step 300
300
#BCC2C2
oklch(80.9% 0.007 197)
-
Step 400
400
#9AA2A2
oklch(70.6% 0.009 196.9)
-
Step 500
500
#818C8C
oklch(63.1% 0.013 196.8)
-
Step 600
600
#6B7676
oklch(55.7% 0.013 196.8)
-
Step 700
700 (this color)
#596363
oklch(49.1% 0.012 196.8)
-
Step 800
800
#495151
oklch(42.8% 0.01 196.8)
-
Step 900
900
#3D4343
oklch(37.7% 0.008 196.8)
-
Step 950
950
#242727
oklch(27% 0.004 196.9)
#596363 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) | #626263 | 0.014 |
| Deuteranopia (no green cones) | #5F6063 | 0.012 |
| Tritanopia (no blue cones) | #566463 | 0.005 |
| Achromatopsia (no color) | #616161 | 0.012 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #596363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.024
- Dim Gray #696969 ΔE 0.032
- Dusty Grape #545775 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.059
- Battleship Gray #6C757D ΔE 0.068
- Dark Aqua #05696B ΔE 0.069
- Dark Green Blue #1F6357 ΔE 0.069
- Metallic Blue #4F738E ΔE 0.070
Use #596363 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.