#513F53
Closest named color: Charcoal Grey (#3C4142). oklch(39.5% 0.041 323), rgb(81, 63, 83).
Aa
White text reads best on this color (9.60:1).
About this color
#513F53 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.041 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.050 away. White text reads best on it, at 9.60:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #513F53 |
| RGB | rgb(81, 63, 83) |
| HSL | hsl(294, 14%, 29%) |
| OKLCH | oklch(39.5% 0.041 323) |
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 #513F53 | 9.60:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #513F53 | 2.18:1 | Fails | Lc 11.7 | Not readable |
| #513F53 text on white | 9.60:1 | AAA | Lc 92.2 | Preferred for body text |
| #513F53 text on black | 2.18:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD6E0
oklch(88.6% 0.017 322.7)
-
Step 300
300
#CBBACC
oklch(80.9% 0.031 324.2)
-
Step 400
400
#B097B2
oklch(70.7% 0.048 323.7)
-
Step 500
500
#9C7DA0
oklch(63.1% 0.063 322.5)
-
Step 600
600
#87668A
oklch(55.6% 0.067 323.7)
-
Step 700
700
#725576
oklch(49.2% 0.062 322.4)
-
Step 800
800
#5D4560
oklch(42.6% 0.053 322.7)
-
Step 900
900 (this color)
#513F53
oklch(39.5% 0.041 323)
-
Step 950
950
#2D222E
oklch(27% 0.027 323.6)
#513F53 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) | #3D4454 | 0.035 |
| Deuteranopia (no green cones) | #414652 | 0.033 |
| Tritanopia (no blue cones) | #524146 | 0.025 |
| Achromatopsia (no color) | #454545 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F53
#513F53
oklch(39.5% 0.041 323)
- #394C38
#394C38
oklch(39.4% 0.041 143.5)
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 #513F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.050
- Purple Brown #673A3F ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.061
- Onyx #343A40 ΔE 0.063
- Charcoal #264653 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.071
- Brownish Purple #76424E ΔE 0.072
- Dusty Grape #545775 ΔE 0.079
Use #513F53 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.