#513D57
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.05 318.3), rgb(81, 61, 87).
Aa
White text reads best on this color (9.74:1).
About this color
#513D57 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.050 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.055 away. White text reads best on it, at 9.74:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #513D57 |
| RGB | rgb(81, 61, 87) |
| HSL | hsl(286, 18%, 29%) |
| OKLCH | oklch(39.2% 0.05 318.3) |
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 #513D57 | 9.74:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #513D57 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #513D57 text on white | 9.74:1 | AAA | Lc 92.6 | Preferred for body text |
| #513D57 text on black | 2.15:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE8EF
oklch(93.7% 0.011 316.5)
-
Step 200
200
#DFD5E2
oklch(88.5% 0.021 318.4)
-
Step 300
300
#CBB9D1
oklch(80.8% 0.039 317.7)
-
Step 400
400
#B195B9
oklch(70.7% 0.06 318.7)
-
Step 500
500
#9D7BA8
oklch(63.1% 0.077 317.8)
-
Step 600
600
#886393
oklch(55.5% 0.084 318.3)
-
Step 700
700
#73527D
oklch(49% 0.078 318.2)
-
Step 800
800
#5E4366
oklch(42.6% 0.066 318.3)
-
Step 900
900 (this color)
#513D57
oklch(39.2% 0.05 318.3)
-
Step 950
950
#2D2230
oklch(27.1% 0.03 318.9)
#513D57 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) | #3A4358 | 0.041 |
| Deuteranopia (no green cones) | #3E4556 | 0.039 |
| Tritanopia (no blue cones) | #514046 | 0.033 |
| Achromatopsia (no color) | #444444 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513D57
#513D57
oklch(39.2% 0.05 318.3)
- #384C32
#384C32
oklch(39.2% 0.049 138.6)
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 #513D57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.063
- Onyx #343A40 ΔE 0.067
- Charcoal #264653 ΔE 0.070
- Brownish Purple #76424E ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.078
- Dusty Grape #545775 ΔE 0.081
Use #513D57 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.