#513F64
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.064 306), rgb(81, 63, 100).
Aa
White text reads best on this color (9.35:1).
About this color
#513F64 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.064 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.066 away. White text reads best on it, at 9.35:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #513F64 |
| RGB | rgb(81, 63, 100) |
| HSL | hsl(269, 23%, 32%) |
| OKLCH | oklch(40.3% 0.064 306) |
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 #513F64 | 9.35:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #513F64 | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #513F64 text on white | 9.35:1 | AAA | Lc 91.6 | Preferred for body text |
| #513F64 text on black | 2.24:1 | Fails | Lc -10.8 | 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
#DCD6E4
oklch(88.5% 0.02 305.2)
-
Step 300
300
#C6BBD4
oklch(80.9% 0.037 305.4)
-
Step 400
400
#AA97BF
oklch(70.7% 0.061 306.4)
-
Step 500
500
#957DAF
oklch(63% 0.078 306.2)
-
Step 600
600
#7F669A
oklch(55.5% 0.084 305.9)
-
Step 700
700
#6C5584
oklch(49.2% 0.078 306.2)
-
Step 800
800 (this color)
#513F64
oklch(40.3% 0.064 306)
-
Step 900
900
#483B57
oklch(37.8% 0.05 305.4)
-
Step 950
950
#2A2233
oklch(26.9% 0.033 305.8)
#513F64 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) | #374665 | 0.044 |
| Deuteranopia (no green cones) | #3B4763 | 0.041 |
| Tritanopia (no blue cones) | #4E444D | 0.047 |
| Achromatopsia (no color) | #474747 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F64
#513F64
oklch(40.3% 0.064 306)
- #404F27
#404F27
oklch(40.4% 0.064 126)
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 #513F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.066
- Dusk #4E5481 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.069
- Dusty Grape #545775 ΔE 0.070
- Purple Brown #673A3F ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.073
- Twilight #4E518B ΔE 0.073
- Charcoal #264653 ΔE 0.076
Use #513F64 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.