#524B59
Closest named color: Dusty Grape (#545775). oklch(42.5% 0.024 307.8), rgb(82, 75, 89).
Aa
White text reads best on this color (8.36:1).
About this color
#524B59 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.051 away. White text reads best on it, at 8.36:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #524B59 |
| RGB | rgb(82, 75, 89) |
| HSL | hsl(270, 9%, 32%) |
| OKLCH | oklch(42.5% 0.024 307.8) |
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 #524B59 | 8.36:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #524B59 | 2.50:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #524B59 text on white | 8.36:1 | AAA | Lc 88.9 | Fine for body text |
| #524B59 text on black | 2.50:1 | Fails | Lc -13.3 | Not readable |
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 800.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#DAD8DD
oklch(88.5% 0.007 304.2)
-
Step 300
300
#C3BEC8
oklch(80.9% 0.015 308.3)
-
Step 400
400
#A49DAC
oklch(70.7% 0.023 306.7)
-
Step 500
500
#8E8598
oklch(63.1% 0.03 306.8)
-
Step 600
600
#786F82
oklch(55.6% 0.031 306.7)
-
Step 700
700
#655C6E
oklch(49% 0.03 307.8)
-
Step 800
800 (this color)
#524B59
oklch(42.5% 0.024 307.8)
-
Step 900
900
#443F4A
oklch(37.7% 0.02 306)
-
Step 950
950
#28252B
oklch(27% 0.012 308)
#524B59 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) | #494D5A | 0.015 |
| Deuteranopia (no green cones) | #4A4E59 | 0.015 |
| Tritanopia (no blue cones) | #514D50 | 0.018 |
| Achromatopsia (no color) | #4E4E4E | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524B59
#524B59
oklch(42.5% 0.024 307.8)
- #4A5143
#4A5143
oklch(42.4% 0.024 129.1)
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 #524B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.057
- YInMn Blue #415A77 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.060
- Purple Brown #673A3F ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Brownish Purple #76424E ΔE 0.067
Use #524B59 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.