#513565
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.085 309.8), rgb(81, 53, 101).
Aa
White text reads best on this color (10.25:1).
About this color
#513565 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.085 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.066 away. White text reads best on it, at 10.25:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #513565 |
| RGB | rgb(81, 53, 101) |
| HSL | hsl(275, 31%, 30%) |
| OKLCH | oklch(38.3% 0.085 309.8) |
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 #513565 | 10.25:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #513565 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #513565 text on white | 10.25:1 | AAA | Lc 93.7 | Preferred for body text |
| #513565 text on black | 2.04:1 | Fails | Lc -8.9 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E0D3EB
oklch(88.5% 0.035 309.7)
-
Step 300
300
#CDB6E0
oklch(80.9% 0.063 309.6)
-
Step 400
400
#B48FD1
oklch(70.8% 0.102 309.5)
-
Step 500
500
#A171C4
oklch(63% 0.131 309.7)
-
Step 600
600
#8C58B1
oklch(55.6% 0.142 309.5)
-
Step 700
700
#774898
oklch(49.1% 0.131 309.5)
-
Step 800
800
#613B7B
oklch(42.6% 0.11 309.9)
-
Step 900
900 (this color)
#513565
oklch(38.3% 0.085 309.8)
-
Step 950
950
#2E1E3A
oklch(26.9% 0.055 309.4)
#513565 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) | #2A3F67 | 0.066 |
| Deuteranopia (no green cones) | #314164 | 0.061 |
| Tritanopia (no blue cones) | #4F3C48 | 0.060 |
| Achromatopsia (no color) | #414141 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513565
#513565
oklch(38.3% 0.085 309.8)
- #344C15
#344C15
oklch(38.4% 0.085 129.8)
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 #513565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Grape Purple #5D1451 ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.082
- Purple Brown #673A3F ΔE 0.083
- Blueberry #464196 ΔE 0.085
- Charcoal Grey #3C4142 ΔE 0.087
- Onyx #343A40 ΔE 0.088
- Prussian Blue #1D3557 ΔE 0.089
Use #513565 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.