#585A66
Closest named color: Dusty Grape (#545775). oklch(47% 0.019 278.1), rgb(88, 90, 102).
Aa
White text reads best on this color (6.84:1).
About this color
#585A66 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.030 away. White text reads best on it, at 6.84:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #585A66 |
| RGB | rgb(88, 90, 102) |
| HSL | hsl(231, 7%, 37%) |
| OKLCH | oklch(47% 0.019 278.1) |
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 #585A66 | 6.84:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #585A66 | 3.06:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #585A66 text on white | 6.84:1 | AA | Lc 83.7 | Fine for body text |
| #585A66 text on black | 3.06:1 | AA large text | Lc -18.3 | 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
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BFC0C7
oklch(80.9% 0.01 279.7)
-
Step 400
400
#9EA0AA
oklch(70.7% 0.015 277)
-
Step 500
500
#868995
oklch(63.2% 0.018 274.7)
-
Step 600
600
#707280
oklch(55.5% 0.022 279.2)
-
Step 700
700 (this color)
#585A66
oklch(47% 0.019 278.1)
-
Step 800
800
#4D4E58
oklch(42.7% 0.016 281.1)
-
Step 900
900
#404148
oklch(37.7% 0.012 279.3)
-
Step 950
950
#25262A
oklch(26.9% 0.008 274.7)
#585A66 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) | #575B67 | 0.003 |
| Deuteranopia (no green cones) | #565A66 | 0.003 |
| Tritanopia (no blue cones) | #555C5E | 0.017 |
| Achromatopsia (no color) | #5B5B5B | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #585A66
#585A66
oklch(47% 0.019 278.1)
- #5E5B4F
#5E5B4F
oklch(47% 0.019 95.5)
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 #585A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.030
- Slate #516572 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.041
- Dim Gray #696969 ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- Denim #3B638C ΔE 0.066
- Light Navy Blue #2E5A88 ΔE 0.074
- Dusky Blue #475F94 ΔE 0.074
Use #585A66 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.