#575B4E
Closest named color: Slate (#516572). oklch(46.4% 0.021 121.1), rgb(87, 91, 78).
Aa
White text reads best on this color (6.97:1).
About this color
#575B4E is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.055 away. White text reads best on it, at 6.97:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #575B4E |
| RGB | rgb(87, 91, 78) |
| HSL | hsl(78, 8%, 33%) |
| OKLCH | oklch(46.4% 0.021 121.1) |
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 #575B4E | 6.97:1 | AA | Lc -89.1 | Fine for body text |
| Black text on #575B4E | 3.01:1 | AA large text | Lc 19.9 | Dividers and decoration only |
| #575B4E text on white | 6.97:1 | AA | Lc 84.2 | Fine for body text |
| #575B4E text on black | 3.01:1 | AA large text | Lc -17.8 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D8DAD6
oklch(88.6% 0.006 128.5)
-
Step 300
300
#BFC2BA
oklch(80.9% 0.012 123.5)
-
Step 400
400
#9FA297
oklch(70.7% 0.016 119.2)
-
Step 500
500
#878C7E
oklch(63.2% 0.021 123)
-
Step 600
600
#717667
oklch(55.7% 0.023 122.2)
-
Step 700
700 (this color)
#575B4E
oklch(46.4% 0.021 121.1)
-
Step 800
800
#4D5146
oklch(42.8% 0.018 123.5)
-
Step 900
900
#40433B
oklch(37.7% 0.014 123.8)
-
Step 950
950
#262722
oklch(27% 0.009 116.2)
#575B4E 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) | #5D594D | 0.010 |
| Deuteranopia (no green cones) | #5C594E | 0.010 |
| Tritanopia (no blue cones) | #585A57 | 0.016 |
| Achromatopsia (no color) | #595959 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575B4E
#575B4E
oklch(46.4% 0.021 121.1)
- #5B5663
#5B5663
oklch(46.3% 0.022 303)
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 #575B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.055
- Dim Gray #696969 ΔE 0.061
- Dark Green Blue #1F6357 ΔE 0.062
- Dusty Grape #545775 ΔE 0.069
- Dark Moss Green #606C38 ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.072
- YInMn Blue #415A77 ΔE 0.072
- Camo Green #526525 ΔE 0.072
Use #575B4E 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.