#513EA4
Closest named color: Blueberry (#464196). oklch(44.3% 0.157 286.7), rgb(81, 62, 164).
Aa
White text reads best on this color (8.15:1).
About this color
#513EA4 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.157 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.030 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #513EA4 |
| RGB | rgb(81, 62, 164) |
| HSL | hsl(251, 45%, 44%) |
| OKLCH | oklch(44.3% 0.157 286.7) |
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 #513EA4 | 8.15:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #513EA4 | 2.57:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #513EA4 text on white | 8.15:1 | AAA | Lc 87.8 | Fine for body text |
| #513EA4 text on black | 2.57:1 | Fails | Lc -14.3 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BCB8FA
oklch(80.9% 0.093 286.9)
-
Step 400
400
#9B90F7
oklch(70.6% 0.148 286.9)
-
Step 500
500
#8571F3
oklch(63.1% 0.187 286.8)
-
Step 600
600
#7055E2
oklch(55.6% 0.204 286.5)
-
Step 700
700
#5E44C4
oklch(49.1% 0.19 286.5)
-
Step 800
800 (this color)
#513EA4
oklch(44.3% 0.157 286.7)
-
Step 900
900
#3F337E
oklch(37.8% 0.122 286.3)
-
Step 950
950
#251E4A
oklch(27% 0.079 287.2)
#513EA4 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) | #0052A7 | 0.082 |
| Deuteranopia (no green cones) | #004CA2 | 0.080 |
| Tritanopia (no blue cones) | #33566B | 0.130 |
| Achromatopsia (no color) | #4F4F4F | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513EA4
#513EA4
oklch(44.3% 0.157 286.7)
- #5A5600
#5A5600
oklch(44.3% 0.095 106.6)
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 #513EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.044
- Rebecca Purple #663399 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.063
- Blurple #5539CC ΔE 0.064
- Twilight #4E518B ΔE 0.067
- Majorelle Blue #3F37C9 ΔE 0.068
Use #513EA4 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.