#513368
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.093 308.7), rgb(81, 51, 104).
Aa
White text reads best on this color (10.37:1).
About this color
#513368 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.093 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 10.37:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #513368 |
| RGB | rgb(81, 51, 104) |
| HSL | hsl(274, 34%, 30%) |
| OKLCH | oklch(38.1% 0.093 308.7) |
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 #513368 | 10.37:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #513368 | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #513368 text on white | 10.37:1 | AAA | Lc 93.9 | Preferred for body text |
| #513368 text on black | 2.02:1 | Fails | Lc -8.6 | 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
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CEB5E4
oklch(81% 0.07 308.9)
-
Step 400
400
#B58DD6
oklch(70.8% 0.112 308.8)
-
Step 500
500
#A26FCA
oklch(63.1% 0.142 308.7)
-
Step 600
600
#8D55B7
oklch(55.5% 0.155 308.6)
-
Step 700
700
#78459E
oklch(49.1% 0.144 308.5)
-
Step 800
800
#623980
oklch(42.7% 0.12 308.9)
-
Step 900
900 (this color)
#513368
oklch(38.1% 0.093 308.7)
-
Step 950
950
#2F1E3C
oklch(27.1% 0.058 309.1)
#513368 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) | #263F6A | 0.073 |
| Deuteranopia (no green cones) | #2E4067 | 0.065 |
| Tritanopia (no blue cones) | #4E3C48 | 0.068 |
| Achromatopsia (no color) | #404040 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513368
#513368
oklch(38.1% 0.093 308.7)
- #334C0A
#334C0A
oklch(38.2% 0.094 128.9)
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 #513368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Grape Purple #5D1451 ΔE 0.073
- Blueberry #464196 ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.087
- Rebecca Purple #663399 ΔE 0.090
- Purple Brown #673A3F ΔE 0.090
- Prussian Blue #1D3557 ΔE 0.091
- Twilight #4E518B ΔE 0.091
Use #513368 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.