#513E55
Closest named color: Purple Brown (#673A3F). oklch(39.3% 0.045 320.4), rgb(81, 62, 85).
Aa
White text reads best on this color (9.67:1).
About this color
#513E55 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.045 and its hue 320°. 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 9.67:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #513E55 |
| RGB | rgb(81, 62, 85) |
| HSL | hsl(290, 16%, 29%) |
| OKLCH | oklch(39.3% 0.045 320.4) |
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 #513E55 | 9.67:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #513E55 | 2.17:1 | Fails | Lc 11.5 | Not readable |
| #513E55 text on white | 9.67:1 | AAA | Lc 92.4 | Preferred for body text |
| #513E55 text on black | 2.17:1 | Fails | Lc -10.0 | 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
#CBBACE
oklch(80.9% 0.033 321.2)
-
Step 400
400
#B096B6
oklch(70.7% 0.054 319.9)
-
Step 500
500
#9D7CA4
oklch(63.2% 0.07 320.4)
-
Step 600
600
#87658F
oklch(55.6% 0.075 319.8)
-
Step 700
700
#735379
oklch(49% 0.071 321.1)
-
Step 800
800
#5D4463
oklch(42.6% 0.059 319.7)
-
Step 900
900 (this color)
#513E55
oklch(39.3% 0.045 320.4)
-
Step 950
950
#2D222F
oklch(27% 0.028 321.1)
#513E55 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) | #3C4356 | 0.037 |
| Deuteranopia (no green cones) | #404554 | 0.035 |
| Tritanopia (no blue cones) | #524046 | 0.028 |
| Achromatopsia (no color) | #444444 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513E55
#513E55
oklch(39.3% 0.045 320.4)
- #394C35
#394C35
oklch(39.3% 0.045 140.2)
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 #513E55, 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 0.053
- Dark Grey Blue #29465B ΔE 0.062
- Onyx #343A40 ΔE 0.065
- Charcoal #264653 ΔE 0.068
- Brownish Purple #76424E ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.074
- Dusty Grape #545775 ΔE 0.080
Use #513E55 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.