#513E69
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.074 303.6), rgb(81, 62, 105).
Aa
White text reads best on this color (9.36:1).
About this color
#513E69 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.060 away. White text reads best on it, at 9.36:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #513E69 |
| RGB | rgb(81, 62, 105) |
| HSL | hsl(267, 26%, 33%) |
| OKLCH | oklch(40.3% 0.074 303.6) |
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 #513E69 | 9.36:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #513E69 | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #513E69 text on white | 9.36:1 | AAA | Lc 91.6 | Preferred for body text |
| #513E69 text on black | 2.24:1 | Fails | Lc -10.8 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E6
oklch(88.6% 0.023 302.9)
-
Step 300
300
#C6BAD8
oklch(80.8% 0.044 303.6)
-
Step 400
400
#A996C4
oklch(70.6% 0.069 303.5)
-
Step 500
500
#957CB5
oklch(63.1% 0.088 304.1)
-
Step 600
600
#7F65A1
oklch(55.6% 0.095 303.4)
-
Step 700
700
#6B538A
oklch(49% 0.09 303.3)
-
Step 800
800 (this color)
#513E69
oklch(40.3% 0.074 303.6)
-
Step 900
900
#483A5B
oklch(37.8% 0.058 303.2)
-
Step 950
950
#2A2235
oklch(27% 0.036 303.4)
#513E69 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) | #34466B | 0.049 |
| Deuteranopia (no green cones) | #384768 | 0.046 |
| Tritanopia (no blue cones) | #4D454E | 0.057 |
| Achromatopsia (no color) | #474747 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513E69
#513E69
oklch(40.3% 0.074 303.6)
- #414F1F
#414F1F
oklch(40.4% 0.073 123.2)
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 #513E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.060
- Dusk #4E5481 ΔE 0.066
- Twilight #4E518B ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.071
- Dusty Grape #545775 ΔE 0.072
- Blueberry #464196 ΔE 0.076
- Purple Brown #673A3F ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.081
Use #513E69 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.