#513695
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.148 291.8), rgb(81, 54, 149).
Aa
White text reads best on this color (9.08:1).
About this color
#513695 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.148 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.028 away. White text reads best on it, at 9.08:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #513695 |
| RGB | rgb(81, 54, 149) |
| HSL | hsl(257, 47%, 40%) |
| OKLCH | oklch(41.8% 0.148 291.8) |
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 #513695 | 9.08:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #513695 | 2.31:1 | Fails | Lc 13.5 | Not readable |
| #513695 text on white | 9.08:1 | AAA | Lc 90.5 | Preferred for body text |
| #513695 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#D9D4F7
oklch(88.5% 0.048 291.9)
-
Step 300
300
#C1B7F5
oklch(80.9% 0.087 291.7)
-
Step 400
400
#A38FEF
oklch(70.7% 0.138 292.1)
-
Step 500
500
#8E70EA
oklch(63.1% 0.177 291.9)
-
Step 600
600
#7954D8
oklch(55.5% 0.193 291.8)
-
Step 700
700
#6644BC
oklch(49.2% 0.179 291.4)
-
Step 800
800 (this color)
#513695
oklch(41.8% 0.148 291.8)
-
Step 900
900
#443279
oklch(37.7% 0.116 291.5)
-
Step 950
950
#281E47
oklch(27% 0.074 292)
#513695 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) | #004A98 | 0.090 |
| Deuteranopia (no green cones) | #004693 | 0.089 |
| Tritanopia (no blue cones) | #3D4C60 | 0.120 |
| Achromatopsia (no color) | #484848 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513695
#513695
oklch(41.8% 0.148 291.8)
- #4E5100
#4E5100
oklch(41.8% 0.093 112.2)
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 #513695, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.028
- Blueberry #464196 ΔE 0.030
- Rebecca Purple #663399 ΔE 0.040
- Chrysanthemum #560BAD ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.072
- Twilight #4E518B ΔE 0.073
- Cobalt #1E488F ΔE 0.078
- Sapphire #2138AB ΔE 0.078
Use #513695 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.