#513FAC
Closest named color: Blueberry (#464196). oklch(45.2% 0.166 285.1), rgb(81, 63, 172).
Aa
White text reads best on this color (7.90:1).
About this color
#513FAC is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.166 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.040 away. White text reads best on it, at 7.90:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #513FAC |
| RGB | rgb(81, 63, 172) |
| HSL | hsl(250, 46%, 46%) |
| OKLCH | oklch(45.2% 0.166 285.1) |
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 #513FAC | 7.90:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #513FAC | 2.65:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #513FAC text on white | 7.90:1 | AAA | Lc 87.0 | Fine for body text |
| #513FAC text on black | 2.65:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#E7E8FD
oklch(93.7% 0.028 283.7)
-
Step 200
200
#D5D5FC
oklch(88.5% 0.053 285.3)
-
Step 300
300
#BAB8FD
oklch(80.9% 0.097 285.3)
-
Step 400
400
#9890FD
oklch(70.7% 0.156 285)
-
Step 500
500
#8270FA
oklch(63.2% 0.198 285.2)
-
Step 600
600
#6E53E9
oklch(55.7% 0.215 285.3)
-
Step 700
700
#5C42CB
oklch(49.2% 0.201 285)
-
Step 800
800 (this color)
#513FAC
oklch(45.2% 0.166 285.1)
-
Step 900
900
#3E3282
oklch(37.8% 0.129 285.3)
-
Step 950
950
#241E4C
oklch(27% 0.082 285.5)
#513FAC 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) | #0054AF | 0.081 |
| Deuteranopia (no green cones) | #004EAA | 0.078 |
| Tritanopia (no blue cones) | #2D596F | 0.139 |
| Achromatopsia (no color) | #515151 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513FAC
#513FAC
oklch(45.2% 0.166 285.1)
- #5E5800
#5E5800
oklch(45.2% 0.096 105)
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 #513FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Bluey Purple #6241C7 ΔE 0.052
- Blurple #5539CC ΔE 0.052
- Rebecca Purple #663399 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.056
- Majorelle Blue #3F37C9 ΔE 0.058
- Sapphire #2138AB ΔE 0.071
Use #513FAC 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.