#513D55
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.047 320.7), rgb(81, 61, 85).
Aa
White text reads best on this color (9.77:1).
About this color
#513D55 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.047 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.053 away. White text reads best on it, at 9.77:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #513D55 |
| RGB | rgb(81, 61, 85) |
| HSL | hsl(290, 16%, 29%) |
| OKLCH | oklch(39.1% 0.047 320.7) |
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 #513D55 | 9.77:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #513D55 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #513D55 text on white | 9.77:1 | AAA | Lc 92.6 | Preferred for body text |
| #513D55 text on black | 2.14:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#DFD5E1
oklch(88.5% 0.019 320.6)
-
Step 300
300
#CBBACF
oklch(81% 0.035 319.8)
-
Step 400
400
#B195B7
oklch(70.6% 0.058 320.3)
-
Step 500
500
#9E7BA5
oklch(63.1% 0.074 320.7)
-
Step 600
600
#886490
oklch(55.6% 0.079 320.2)
-
Step 700
700
#74537A
oklch(49.2% 0.073 321.2)
-
Step 800
800
#5E4463
oklch(42.7% 0.06 320.9)
-
Step 900
900 (this color)
#513D55
oklch(39.1% 0.047 320.7)
-
Step 950
950
#2D222F
oklch(27% 0.028 321.1)
#513D55 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) | #3B4256 | 0.039 |
| Deuteranopia (no green cones) | #3F4554 | 0.038 |
| Tritanopia (no blue cones) | #523F45 | 0.030 |
| Achromatopsia (no color) | #444444 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513D55
#513D55
oklch(39.1% 0.047 320.7)
- #374C34
#374C34
oklch(39.2% 0.048 141.5)
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 #513D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.063
- Onyx #343A40 ΔE 0.064
- Charcoal #264653 ΔE 0.069
- Brownish Purple #76424E ΔE 0.075
- Dark Slate Gray #2F4F4F ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.081
Use #513D55 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.