#51535D
Closest named color: Dusty Grape (#545775). oklch(44.4% 0.017 276.7), rgb(81, 83, 93).
Aa
White text reads best on this color (7.64:1).
About this color
#51535D is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.039 away. White text reads best on it, at 7.64:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #51535D |
| RGB | rgb(81, 83, 93) |
| HSL | hsl(230, 7%, 34%) |
| OKLCH | oklch(44.4% 0.017 276.7) |
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 #51535D | 7.64:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #51535D | 2.74:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #51535D text on white | 7.64:1 | AAA | Lc 86.6 | Fine for body text |
| #51535D text on black | 2.74:1 | Fails | Lc -15.5 | 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 800.
-
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
#868996
oklch(63.2% 0.02 275.5)
-
Step 600
600
#707280
oklch(55.5% 0.022 279.2)
-
Step 700
700
#5D606C
oklch(49.1% 0.019 274.5)
-
Step 800
800 (this color)
#51535D
oklch(44.4% 0.017 276.7)
-
Step 900
900
#404149
oklch(37.7% 0.014 280.1)
-
Step 950
950
#25262A
oklch(26.9% 0.008 274.7)
#51535D 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) | #50545D | 0.003 |
| Deuteranopia (no green cones) | #50535D | 0.002 |
| Tritanopia (no blue cones) | #4E5556 | 0.016 |
| Achromatopsia (no color) | #535353 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51535D
#51535D
oklch(44.4% 0.017 276.7)
- #56544A
#56544A
oklch(44.5% 0.016 97.7)
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 #51535D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.045
- Slate #516572 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.056
- Dusk #4E5481 ΔE 0.059
- Petrol #005F6A ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.075
Use #51535D 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.