#513A55
Closest named color: Purple Brown (#673A3F). oklch(38.5% 0.054 321.4), rgb(81, 58, 85).
Aa
White text reads best on this color (10.06:1).
About this color
#513A55 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.054 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 0.056 away. White text reads best on it, at 10.06:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #513A55 |
| RGB | rgb(81, 58, 85) |
| HSL | hsl(291, 19%, 28%) |
| OKLCH | oklch(38.5% 0.054 321.4) |
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 #513A55 | 10.06:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #513A55 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #513A55 text on white | 10.06:1 | AAA | Lc 93.3 | Preferred for body text |
| #513A55 text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E0D5E2
oklch(88.6% 0.021 321)
-
Step 300
300
#CDB9D1
oklch(81% 0.04 320.6)
-
Step 400
400
#B494B9
oklch(70.8% 0.064 321.8)
-
Step 500
500
#A179A8
oklch(63.2% 0.083 321.4)
-
Step 600
600
#8C6193
oklch(55.6% 0.09 321.7)
-
Step 700
700
#76507D
oklch(49% 0.083 321.2)
-
Step 800
800
#604266
oklch(42.7% 0.069 320.7)
-
Step 900
900 (this color)
#513A55
oklch(38.5% 0.054 321.4)
-
Step 950
950
#2E2130
oklch(27% 0.033 321.9)
#513A55 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) | #374056 | 0.046 |
| Deuteranopia (no green cones) | #3D4354 | 0.042 |
| Tritanopia (no blue cones) | #523D44 | 0.034 |
| Achromatopsia (no color) | #424242 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513A55
#513A55
oklch(38.5% 0.054 321.4)
- #334B30
#334B30
oklch(38.5% 0.054 141.8)
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 #513A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.058
- Onyx #343A40 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.067
- Charcoal #264653 ΔE 0.073
- Brownish Purple #76424E ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.081
- Dark Slate Gray #2F4F4F ΔE 0.084
Use #513A55 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.