#586570
Closest named color: Slate (#516572). oklch(50% 0.024 243.8), rgb(88, 101, 112).
Aa
White text reads best on this color (5.98:1).
About this color
#586570 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.010 away. White text reads best on it, at 5.98:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #586570 |
| RGB | rgb(88, 101, 112) |
| HSL | hsl(208, 12%, 39%) |
| OKLCH | oklch(50% 0.024 243.8) |
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 #586570 | 5.98:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #586570 | 3.51:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #586570 text on white | 5.98:1 | AA | Lc 79.9 | Fine for body text |
| #586570 text on black | 3.51:1 | AA large text | Lc -21.9 | 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
#F4F5F6
oklch(97% 0.002 247.8)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6DADD
oklch(88.6% 0.006 239.8)
-
Step 300
300
#BBC2C8
oklch(81% 0.011 243.7)
-
Step 400
400
#97A2AB
oklch(70.6% 0.018 242.5)
-
Step 500
500
#7E8B97
oklch(63% 0.024 246)
-
Step 600
600
#677581
oklch(55.5% 0.025 244.1)
-
Step 700
700 (this color)
#586570
oklch(50% 0.024 243.8)
-
Step 800
800
#465059
oklch(42.6% 0.02 245.4)
-
Step 900
900
#3B4349
oklch(37.8% 0.015 240.3)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#586570 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) | #616571 | 0.013 |
| Deuteranopia (no green cones) | #5E6270 | 0.012 |
| Tritanopia (no blue cones) | #526868 | 0.020 |
| Achromatopsia (no color) | #636363 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586570
#586570
oklch(50% 0.024 243.8)
- #6D6155
#6D6155
oklch(50% 0.024 67.2)
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 #586570, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.010
- Dim Gray #696969 ΔE 0.032
- Dusty Grape #545775 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.052
- Metallic Blue #4F738E ΔE 0.053
- Denim #3B638C ΔE 0.058
- Battleship Gray #6C757D ΔE 0.058
- Dusk #4E5481 ΔE 0.068
Use #586570 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.