#575E6B
Closest named color: Slate (#516572). oklch(48.1% 0.023 262.9), rgb(87, 94, 107).
Aa
White text reads best on this color (6.52:1).
About this color
#575E6B is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.021 away. White text reads best on it, at 6.52:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.21:1 |
| White text | 6.52:1 |
Values
| HEX | #575E6B |
| RGB | rgb(87, 94, 107) |
| HSL | hsl(219, 10%, 38%) |
| OKLCH | oklch(48.1% 0.023 262.9) |
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 #575E6B | 6.52:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #575E6B | 3.21:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #575E6B text on white | 6.52:1 | AA | Lc 82.4 | Fine for body text |
| #575E6B text on black | 3.21:1 | AA large text | Lc -19.6 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BDC1C8
oklch(81% 0.011 261.8)
-
Step 400
400
#9BA1AC
oklch(70.8% 0.017 262.7)
-
Step 500
500
#828A98
oklch(63.2% 0.023 261.7)
-
Step 600
600
#6C7482
oklch(55.7% 0.024 261.7)
-
Step 700
700 (this color)
#575E6B
oklch(48.1% 0.023 262.9)
-
Step 800
800
#4A4F5A
oklch(42.7% 0.019 266.1)
-
Step 900
900
#3D424A
oklch(37.7% 0.015 259.8)
-
Step 950
950
#24262B
oklch(26.9% 0.01 268.3)
#575E6B 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) | #5A5F6C | 0.006 |
| Deuteranopia (no green cones) | #585D6B | 0.003 |
| Tritanopia (no blue cones) | #526162 | 0.021 |
| Achromatopsia (no color) | #5E5E5E | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575E6B
#575E6B
oklch(48.1% 0.023 262.9)
- #645D4F
#645D4F
oklch(48.1% 0.023 84.6)
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 #575E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- Dusty Grape #545775 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.040
- Dim Gray #696969 ΔE 0.046
- Dusk #4E5481 ΔE 0.056
- Denim #3B638C ΔE 0.059
- Dusky Blue #475F94 ΔE 0.068
- Metallic Blue #4F738E ΔE 0.070
Use #575E6B 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.