#513367
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.092 309.3), rgb(81, 51, 103).
Aa
White text reads best on this color (10.39:1).
About this color
#513367 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.092 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.064 away. White text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.39:1 |
Values
| HEX | #513367 |
| RGB | rgb(81, 51, 103) |
| HSL | hsl(275, 34%, 30%) |
| OKLCH | oklch(38.1% 0.092 309.3) |
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 #513367 | 10.39:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #513367 | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #513367 text on white | 10.39:1 | AAA | Lc 93.9 | Preferred for body text |
| #513367 text on black | 2.01:1 | Fails | Lc -8.6 | 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
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D3ED
oklch(88.6% 0.038 309.6)
-
Step 300
300
#CEB5E3
oklch(80.9% 0.069 309.4)
-
Step 400
400
#B58DD5
oklch(70.7% 0.111 309.2)
-
Step 500
500
#A36FC9
oklch(63.1% 0.141 309.5)
-
Step 600
600
#8E55B6
oklch(55.6% 0.154 309.4)
-
Step 700
700
#78459C
oklch(49% 0.142 309.2)
-
Step 800
800
#62397F
oklch(42.7% 0.118 309.3)
-
Step 900
900 (this color)
#513367
oklch(38.1% 0.092 309.3)
-
Step 950
950
#2F1E3C
oklch(27.1% 0.058 309.1)
#513367 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) | #263E69 | 0.072 |
| Deuteranopia (no green cones) | #2E4066 | 0.066 |
| Tritanopia (no blue cones) | #4E3B48 | 0.064 |
| Achromatopsia (no color) | #404040 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513367
#513367
oklch(38.1% 0.092 309.3)
- #334C0D
#334C0D
oklch(38.2% 0.092 129.3)
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 #513367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Grape Purple #5D1451 ΔE 0.072
- Blueberry #464196 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.087
- Purple Brown #673A3F ΔE 0.089
- Prussian Blue #1D3557 ΔE 0.090
- Rebecca Purple #663399 ΔE 0.092
- Twilight #4E518B ΔE 0.092
Use #513367 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.