#513BA3
Closest named color: Blueberry (#464196). oklch(43.8% 0.16 287.6), rgb(81, 59, 163).
Aa
White text reads best on this color (8.38:1).
About this color
#513BA3 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.160 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 8.38:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #513BA3 |
| RGB | rgb(81, 59, 163) |
| HSL | hsl(253, 47%, 44%) |
| OKLCH | oklch(43.8% 0.16 287.6) |
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 #513BA3 | 8.38:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #513BA3 | 2.50:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #513BA3 text on white | 8.38:1 | AAA | Lc 88.5 | Fine for body text |
| #513BA3 text on black | 2.50:1 | Fails | Lc -13.7 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D4FA
oklch(88.4% 0.052 287.7)
-
Step 300
300
#BDB8FA
oklch(81% 0.093 287.6)
-
Step 400
400
#9C8FF8
oklch(70.6% 0.151 287.6)
-
Step 500
500
#8770F4
oklch(63.2% 0.19 287.7)
-
Step 600
600
#7253E3
oklch(55.5% 0.208 287.5)
-
Step 700
700
#6042C5
oklch(49% 0.193 287.6)
-
Step 800
800 (this color)
#513BA3
oklch(43.8% 0.16 287.6)
-
Step 900
900
#40327F
oklch(37.7% 0.125 287.2)
-
Step 950
950
#251E4A
oklch(27% 0.079 287.2)
#513BA3 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) | #0050A6 | 0.085 |
| Deuteranopia (no green cones) | #004BA1 | 0.083 |
| Tritanopia (no blue cones) | #345469 | 0.132 |
| Achromatopsia (no color) | #4E4E4E | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513BA3
#513BA3
oklch(43.8% 0.16 287.6)
- #585500
#585500
oklch(43.8% 0.094 107.4)
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 #513BA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.042
- Rebecca Purple #663399 ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Blurple #5539CC ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.069
- Majorelle Blue #3F37C9 ΔE 0.069
Use #513BA3 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.