#575F6D
Closest named color: Slate (#516572). oklch(48.4% 0.025 261.7), rgb(87, 95, 109).
Aa
White text reads best on this color (6.43:1).
About this color
#575F6D is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.018 away. White text reads best on it, at 6.43:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #575F6D |
| RGB | rgb(87, 95, 109) |
| HSL | hsl(218, 11%, 38%) |
| OKLCH | oklch(48.4% 0.025 261.7) |
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 #575F6D | 6.43:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #575F6D | 3.26:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #575F6D text on white | 6.43:1 | AA | Lc 82.0 | Fine for body text |
| #575F6D text on black | 3.26:1 | AA large text | Lc -19.9 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BCC1C9
oklch(80.9% 0.013 259.8)
-
Step 400
400
#9AA1AD
oklch(70.7% 0.019 261.3)
-
Step 500
500
#818A99
oklch(63.1% 0.025 260.7)
-
Step 600
600
#6B7483
oklch(55.7% 0.026 260.7)
-
Step 700
700 (this color)
#575F6D
oklch(48.4% 0.025 261.7)
-
Step 800
800
#494F5A
oklch(42.6% 0.02 262.6)
-
Step 900
900
#3D424A
oklch(37.7% 0.015 259.8)
-
Step 950
950
#24272B
oklch(27.1% 0.009 255.6)
#575F6D 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) | #5B606E | 0.007 |
| Deuteranopia (no green cones) | #585E6D | 0.003 |
| Tritanopia (no blue cones) | #526263 | 0.023 |
| Achromatopsia (no color) | #5E5E5E | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575F6D
#575F6D
oklch(48.4% 0.025 261.7)
- #665E4F
#665E4F
oklch(48.5% 0.025 83.2)
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 #575F6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.018
- Dusty Grape #545775 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.040
- Dim Gray #696969 ΔE 0.045
- Dusk #4E5481 ΔE 0.055
- Denim #3B638C ΔE 0.057
- Dusky Blue #475F94 ΔE 0.066
- Metallic Blue #4F738E ΔE 0.067
Use #575F6D 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.