#513F97
Closest named color: Blueberry (#464196). oklch(43.5% 0.138 288.7), rgb(81, 63, 151).
Aa
White text reads best on this color (8.37:1).
About this color
#513F97 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.138 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.018 away. White text reads best on it, at 8.37:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #513F97 |
| RGB | rgb(81, 63, 151) |
| HSL | hsl(252, 41%, 42%) |
| OKLCH | oklch(43.5% 0.138 288.7) |
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 #513F97 | 8.37:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #513F97 | 2.50:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #513F97 text on white | 8.37:1 | AAA | Lc 88.6 | Fine for body text |
| #513F97 text on black | 2.50:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BEB9F2
oklch(80.9% 0.08 288.5)
-
Step 400
400
#9E92EC
oklch(70.7% 0.13 288.7)
-
Step 500
500
#8874E6
oklch(63.1% 0.166 288.8)
-
Step 600
600
#735AD4
oklch(55.6% 0.18 288.6)
-
Step 700
700
#6149B7
oklch(49.1% 0.166 288.8)
-
Step 800
800 (this color)
#513F97
oklch(43.5% 0.138 288.7)
-
Step 900
900
#413576
oklch(37.7% 0.107 288.7)
-
Step 950
950
#261F45
oklch(26.9% 0.069 289.4)
#513F97 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) | #05509A | 0.081 |
| Deuteranopia (no green cones) | #084B95 | 0.079 |
| Tritanopia (no blue cones) | #3B5365 | 0.114 |
| Achromatopsia (no color) | #4E4E4E | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F97
#513F97
oklch(43.5% 0.138 288.7)
- #565500
#565500
oklch(43.6% 0.095 109)
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 #513F97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.018
- Dark Slate Blue #483D8B ΔE 0.025
- Rebecca Purple #663399 ΔE 0.044
- Twilight #4E518B ΔE 0.054
- Cobalt #1E488F ΔE 0.069
- Dusk #4E5481 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Dusk Blue #26538D ΔE 0.076
Use #513F97 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.