#5B5966
Closest named color: Dusty Grape (#545775). oklch(47.1% 0.021 292.6), rgb(91, 89, 102).
Aa
White text reads best on this color (6.85:1).
About this color
#5B5966 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.029 away. White text reads best on it, at 6.85:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.06:1 |
| White text | 6.85:1 |
Values
| HEX | #5B5966 |
| RGB | rgb(91, 89, 102) |
| HSL | hsl(249, 7%, 37%) |
| OKLCH | oklch(47.1% 0.021 292.6) |
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 #5B5966 | 6.85:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #5B5966 | 3.06:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #5B5966 text on white | 6.85:1 | AA | Lc 83.7 | Fine for body text |
| #5B5966 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
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DC
oklch(88.4% 0.006 297.7)
-
Step 300
300
#C0BFC7
oklch(80.8% 0.011 291.9)
-
Step 400
400
#A19FAA
oklch(70.8% 0.016 294.3)
-
Step 500
500
#898795
oklch(63% 0.021 292.4)
-
Step 600
600
#737180
oklch(55.6% 0.023 291.8)
-
Step 700
700 (this color)
#5B5966
oklch(47.1% 0.021 292.6)
-
Step 800
800
#4F4D58
oklch(42.6% 0.018 294)
-
Step 900
900
#424048
oklch(37.6% 0.014 297.2)
-
Step 950
950
#26262A
oklch(27% 0.007 285.9)
#5B5966 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) | #565B67 | 0.009 |
| Deuteranopia (no green cones) | #565A66 | 0.008 |
| Tritanopia (no blue cones) | #595B5D | 0.018 |
| Achromatopsia (no color) | #5A5A5A | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5966
#5B5966
oklch(47.1% 0.021 292.6)
- #5B5C4F
#5B5C4F
oklch(47% 0.02 110.7)
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 #5B5966, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.029
- Slate #516572 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.044
- Dim Gray #696969 ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- Denim #3B638C ΔE 0.069
- Twilight #4E518B ΔE 0.074
- Brownish Purple #76424E ΔE 0.074
Use #5B5966 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.