#513266
Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.092 310.2), rgb(81, 50, 102).
Aa
White text reads best on this color (10.51:1).
About this color
#513266 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.092 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 10.51:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #513266 |
| RGB | rgb(81, 50, 102) |
| HSL | hsl(276, 34%, 30%) |
| OKLCH | oklch(37.8% 0.092 310.2) |
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 #513266 | 10.51:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #513266 | 1.99:1 | Fails | Lc 9.7 | Not readable |
| #513266 text on white | 10.51:1 | AAA | Lc 94.2 | Preferred for body text |
| #513266 text on black | 1.99:1 | Fails | Lc -8.4 | 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
#CEB5E2
oklch(80.9% 0.068 309.9)
-
Step 400
400
#B68DD4
oklch(70.8% 0.11 310.2)
-
Step 500
500
#A46EC9
oklch(63.1% 0.143 310.2)
-
Step 600
600
#8F55B5
oklch(55.7% 0.153 310.2)
-
Step 700
700
#7A449C
oklch(49.1% 0.144 310.5)
-
Step 800
800
#63397E
oklch(42.7% 0.118 310.5)
-
Step 900
900 (this color)
#513266
oklch(37.8% 0.092 310.2)
-
Step 950
950
#2F1D3C
oklch(26.9% 0.06 309.7)
#513266 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) | #253E68 | 0.074 |
| Deuteranopia (no green cones) | #2E4065 | 0.067 |
| Tritanopia (no blue cones) | #4E3A47 | 0.064 |
| Achromatopsia (no color) | #3F3F3F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513266
#513266
oklch(37.8% 0.092 310.2)
- #314B0D
#314B0D
oklch(37.8% 0.092 130.1)
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 #513266, 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 0.069
- Blueberry #464196 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.088
- Purple Brown #673A3F ΔE 0.089
- Prussian Blue #1D3557 ΔE 0.090
- Royal Purple #4B006E ΔE 0.091
- Plum Purple #4E0550 ΔE 0.092
Use #513266 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.