#575D6F
Closest named color: Slate (#516572). oklch(48% 0.03 270.7), rgb(87, 93, 111).
Aa
White text reads best on this color (6.56:1).
About this color
#575D6F is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.030. 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 6.56:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.20:1 |
| White text | 6.56:1 |
Values
| HEX | #575D6F |
| RGB | rgb(87, 93, 111) |
| HSL | hsl(225, 12%, 39%) |
| OKLCH | oklch(48% 0.03 270.7) |
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 #575D6F | 6.56:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #575D6F | 3.20:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #575D6F text on white | 6.56:1 | AA | Lc 82.5 | Fine for body text |
| #575D6F text on black | 3.20:1 | AA large text | Lc -19.4 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAED
oklch(93.7% 0.004 271.4)
-
Step 200
200
#D7D9DF
oklch(88.6% 0.008 271.3)
-
Step 300
300
#BDC0CA
oklch(80.8% 0.014 272.7)
-
Step 400
400
#9BA0B0
oklch(70.7% 0.024 271.9)
-
Step 500
500
#82899C
oklch(63.1% 0.03 269.5)
-
Step 600
600
#6C7387
oklch(55.7% 0.032 270.1)
-
Step 700
700 (this color)
#575D6F
oklch(48% 0.03 270.7)
-
Step 800
800
#4A4F5D
oklch(42.8% 0.024 269.8)
-
Step 900
900
#3E414C
oklch(37.7% 0.019 273.4)
-
Step 950
950
#24262D
oklch(27% 0.013 272.9)
#575D6F 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) | #585E70 | 0.004 |
| Deuteranopia (no green cones) | #565C6F | 0.004 |
| Tritanopia (no blue cones) | #516063 | 0.026 |
| Achromatopsia (no color) | #5D5D5D | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575D6F
#575D6F
oklch(48% 0.03 270.7)
- #645D4A
#645D4A
oklch(47.9% 0.03 90.2)
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 #575D6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.024
- Dusty Grape #545775 ΔE 0.024
- YInMn Blue #415A77 ΔE 0.036
- Dusk #4E5481 ΔE 0.048
- Dim Gray #696969 ΔE 0.051
- Denim #3B638C ΔE 0.054
- Dusky Blue #475F94 ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.066
Use #575D6F 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.