#513F65
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.066 305.4), rgb(81, 63, 101).
Aa
White text reads best on this color (9.33:1).
About this color
#513F65 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.066 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.067 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #513F65 |
| RGB | rgb(81, 63, 101) |
| HSL | hsl(268, 23%, 32%) |
| OKLCH | oklch(40.3% 0.066 305.4) |
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 #513F65 | 9.33:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #513F65 | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #513F65 text on white | 9.33:1 | AAA | Lc 91.5 | Preferred for body text |
| #513F65 text on black | 2.24:1 | Fails | Lc -10.9 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8F0
oklch(93.6% 0.011 303.1)
-
Step 200
200
#DCD6E5
oklch(88.5% 0.021 304)
-
Step 300
300
#C6BBD5
oklch(80.9% 0.038 304.7)
-
Step 400
400
#AA97C0
oklch(70.7% 0.062 305.9)
-
Step 500
500
#957DB0
oklch(63.1% 0.08 305.7)
-
Step 600
600
#7F669B
oklch(55.5% 0.085 305.4)
-
Step 700
700
#6B5585
oklch(49.1% 0.079 304.7)
-
Step 800
800 (this color)
#513F65
oklch(40.3% 0.066 305.4)
-
Step 900
900
#483B58
oklch(37.8% 0.051 304.6)
-
Step 950
950
#2A2233
oklch(26.9% 0.033 305.8)
#513F65 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) | #374666 | 0.044 |
| Deuteranopia (no green cones) | #3B4764 | 0.041 |
| Tritanopia (no blue cones) | #4E454D | 0.050 |
| Achromatopsia (no color) | #474747 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F65
#513F65
oklch(40.3% 0.066 305.4)
- #404F25
#404F25
oklch(40.4% 0.067 125.5)
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 #513F65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.067
- Dusk #4E5481 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.067
- Dusty Grape #545775 ΔE 0.070
- Twilight #4E518B ΔE 0.072
- Purple Brown #673A3F ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.074
- Charcoal #264653 ΔE 0.077
Use #513F65 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.