#513A82
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.117 295.5), rgb(81, 58, 130).
Aa
White text reads best on this color (9.22:1).
About this color
#513A82 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.117 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 9.22:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #513A82 |
| RGB | rgb(81, 58, 130) |
| HSL | hsl(259, 38%, 37%) |
| OKLCH | oklch(41.1% 0.117 295.5) |
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 #513A82 | 9.22:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #513A82 | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #513A82 text on white | 9.22:1 | AAA | Lc 91.0 | Preferred for body text |
| #513A82 text on black | 2.27:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DBD5F0
oklch(88.6% 0.037 295.8)
-
Step 300
300
#C4B8E9
oklch(80.9% 0.069 296)
-
Step 400
400
#A692DD
oklch(70.6% 0.109 295.7)
-
Step 500
500
#9176D4
oklch(63.2% 0.139 295.4)
-
Step 600
600
#7C5CC1
oklch(55.5% 0.152 295.6)
-
Step 700
700
#694CA7
oklch(49.2% 0.141 295.5)
-
Step 800
800 (this color)
#513A82
oklch(41.1% 0.117 295.5)
-
Step 900
900
#46366C
oklch(37.7% 0.091 295.4)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#513A82 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) | #1C4884 | 0.076 |
| Deuteranopia (no green cones) | #224680 | 0.071 |
| Tritanopia (no blue cones) | #454958 | 0.094 |
| Achromatopsia (no color) | #474747 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513A82
#513A82
oklch(41.1% 0.117 295.5)
- #495000
#495000
oklch(41.1% 0.093 115.4)
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 #513A82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.039
- Rebecca Purple #663399 ΔE 0.056
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.072
- Cobalt #1E488F ΔE 0.075
- Dusk Blue #26538D ΔE 0.082
- Light Navy #155084 ΔE 0.088
Use #513A82 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.