#513B97
Closest named color: Blueberry (#464196). oklch(42.8% 0.144 290), rgb(81, 59, 151).
Aa
White text reads best on this color (8.66:1).
About this color
#513B97 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.144 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.022 away. White text reads best on it, at 8.66:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #513B97 |
| RGB | rgb(81, 59, 151) |
| HSL | hsl(254, 44%, 41%) |
| OKLCH | oklch(42.8% 0.144 290) |
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 #513B97 | 8.66:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #513B97 | 2.42:1 | Fails | Lc 14.6 | Not readable |
| #513B97 text on white | 8.66:1 | AAA | Lc 89.4 | Fine for body text |
| #513B97 text on black | 2.42:1 | Fails | Lc -12.8 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#A091EE
oklch(70.8% 0.134 289.9)
-
Step 500
500
#8A72E9
oklch(63.1% 0.173 289.8)
-
Step 600
600
#7657D7
oklch(55.6% 0.188 290.1)
-
Step 700
700
#6346BA
oklch(49% 0.174 290)
-
Step 800
800 (this color)
#513B97
oklch(42.8% 0.144 290)
-
Step 900
900
#423378
oklch(37.6% 0.113 289.9)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#513B97 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) | #004D9A | 0.085 |
| Deuteranopia (no green cones) | #004995 | 0.085 |
| Tritanopia (no blue cones) | #3C5063 | 0.118 |
| Achromatopsia (no color) | #4B4B4B | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513B97
#513B97
oklch(42.8% 0.144 290)
- #535300
#535300
oklch(42.8% 0.093 109.8)
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 #513B97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.022
- Dark Slate Blue #483D8B ΔE 0.025
- Rebecca Purple #663399 ΔE 0.041
- Twilight #4E518B ΔE 0.063
- Cobalt #1E488F ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.075
- Chrysanthemum #560BAD ΔE 0.076
- Sapphire #2138AB ΔE 0.077
Use #513B97 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.