#513480
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.124 298.2), rgb(81, 52, 128).
Aa
White text reads best on this color (9.75:1).
About this color
#513480 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.124 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #513480 |
| RGB | rgb(81, 52, 128) |
| HSL | hsl(263, 42%, 35%) |
| OKLCH | oklch(39.9% 0.124 298.2) |
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 #513480 | 9.75:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #513480 | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #513480 text on white | 9.75:1 | AAA | Lc 92.3 | Preferred for body text |
| #513480 text on black | 2.15:1 | Fails | Lc -10.1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F7
oklch(88.4% 0.052 298.9)
-
Step 300
300
#C8B4F5
oklch(80.9% 0.093 298.4)
-
Step 400
400
#AD8AF0
oklch(70.7% 0.148 298.3)
-
Step 500
500
#9A69EB
oklch(63.2% 0.189 298.2)
-
Step 600
600
#854BD9
oklch(55.5% 0.207 298.1)
-
Step 700
700
#713BBC
oklch(49% 0.192 298.1)
-
Step 800
800
#5C3298
oklch(42.6% 0.159 298.3)
-
Step 900
900 (this color)
#513480
oklch(39.9% 0.124 298.2)
-
Step 950
950
#2C1C47
oklch(27.1% 0.078 298.2)
#513480 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) | #0E4483 | 0.088 |
| Deuteranopia (no green cones) | #1A437E | 0.082 |
| Tritanopia (no blue cones) | #464454 | 0.097 |
| Achromatopsia (no color) | #444444 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513480
#513480
oklch(39.9% 0.124 298.2)
- #434E00
#434E00
oklch(40% 0.094 118.6)
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 #513480, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.049
- Rebecca Purple #663399 ΔE 0.056
- Twilight #4E518B ΔE 0.076
- Indigo #4B0082 ΔE 0.082
- Cobalt #1E488F ΔE 0.083
- Dusk #4E5481 ΔE 0.087
- Imperial Purple #480CA8 ΔE 0.092
Use #513480 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.