#513F60
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.059 308.9), rgb(81, 63, 96).
Aa
White text reads best on this color (9.41:1).
About this color
#513F60 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.059 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.064 away. White text reads best on it, at 9.41:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.22:1 |
| White text | 9.41:1 |
Values
| HEX | #513F60 |
| RGB | rgb(81, 63, 96) |
| HSL | hsl(273, 21%, 31%) |
| OKLCH | oklch(40.1% 0.059 308.9) |
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 #513F60 | 9.41:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #513F60 | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #513F60 text on white | 9.41:1 | AAA | Lc 91.7 | Preferred for body text |
| #513F60 text on black | 2.22:1 | Fails | Lc -10.7 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DED5E6
oklch(88.5% 0.025 309.3)
-
Step 300
300
#C9B9D7
oklch(80.9% 0.045 309.2)
-
Step 400
400
#AD95C2
oklch(70.7% 0.07 308.8)
-
Step 500
500
#997AB3
oklch(63% 0.09 308.8)
-
Step 600
600
#84639F
oklch(55.7% 0.098 308.8)
-
Step 700
700
#705288
oklch(49.2% 0.09 308.9)
-
Step 800
800
#5B436E
oklch(42.7% 0.075 309.1)
-
Step 900
900 (this color)
#513F60
oklch(40.1% 0.059 308.9)
-
Step 950
950
#2C2134
oklch(26.9% 0.038 310.4)
#513F60 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) | #394561 | 0.041 |
| Deuteranopia (no green cones) | #3D465F | 0.038 |
| Tritanopia (no blue cones) | #4F444B | 0.044 |
| Achromatopsia (no color) | #464646 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F60
#513F60
oklch(40.1% 0.059 308.9)
- #3E4E2B
#3E4E2B
oklch(40% 0.059 128.8)
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 #513F60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.067
- Dusk #4E5481 ΔE 0.071
- Dusty Grape #545775 ΔE 0.072
- Charcoal #264653 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.076
- Onyx #343A40 ΔE 0.077
Use #513F60 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.