#513066
Closest named color: Grape Purple (#5D1451). oklch(37.5% 0.096 310.8), rgb(81, 48, 102).
Aa
White text reads best on this color (10.68:1).
About this color
#513066 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.096 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.066 away. White text reads best on it, at 10.68:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #513066 |
| RGB | rgb(81, 48, 102) |
| HSL | hsl(277, 36%, 29%) |
| OKLCH | oklch(37.5% 0.096 310.8) |
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 #513066 | 10.68:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #513066 | 1.96:1 | Fails | Lc 9.4 | Not readable |
| #513066 text on white | 10.68:1 | AAA | Lc 94.6 | Preferred for body text |
| #513066 text on black | 1.96:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E2D2ED
oklch(88.5% 0.04 311.7)
-
Step 300
300
#CFB4E4
oklch(80.9% 0.072 310.1)
-
Step 400
400
#B78BD6
oklch(70.6% 0.116 310.5)
-
Step 500
500
#A66DCA
oklch(63.2% 0.146 311.1)
-
Step 600
600
#9153B7
oklch(55.7% 0.159 310.9)
-
Step 700
700
#7B429E
oklch(49% 0.15 310.6)
-
Step 800
800
#643780
oklch(42.6% 0.124 310.7)
-
Step 900
900 (this color)
#513066
oklch(37.5% 0.096 310.8)
-
Step 950
950
#301D3C
oklch(27% 0.061 311.2)
#513066 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) | #233C68 | 0.078 |
| Deuteranopia (no green cones) | #2C3F65 | 0.071 |
| Tritanopia (no blue cones) | #4F3946 | 0.067 |
| Achromatopsia (no color) | #3E3E3E | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513066
#513066
oklch(37.5% 0.096 310.8)
- #2E4B08
#2E4B08
oklch(37.6% 0.097 131.2)
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 #513066, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.068
- Royal Purple #4B006E ΔE 0.086
- Plum Purple #4E0550 ΔE 0.087
- Blueberry #464196 ΔE 0.088
- Prussian Blue #1D3557 ΔE 0.091
- Dark Grey Blue #29465B ΔE 0.092
- Rich Purple #720058 ΔE 0.092
Use #513066 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.