#513D64
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.068 307.1), rgb(81, 61, 100).
Aa
White text reads best on this color (9.53:1).
About this color
#513D64 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.068 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.068 away. White text reads best on it, at 9.53:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #513D64 |
| RGB | rgb(81, 61, 100) |
| HSL | hsl(271, 24%, 32%) |
| OKLCH | oklch(39.9% 0.068 307.1) |
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 #513D64 | 9.53:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #513D64 | 2.20:1 | Fails | Lc 11.9 | Not readable |
| #513D64 text on white | 9.53:1 | AAA | Lc 92.0 | Preferred for body text |
| #513D64 text on black | 2.20:1 | Fails | Lc -10.4 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED5E8
oklch(88.6% 0.027 307)
-
Step 300
300
#C9B8DB
oklch(80.8% 0.052 307.1)
-
Step 400
400
#AE93C9
oklch(70.6% 0.083 307.2)
-
Step 500
500
#9A78BB
oklch(63.1% 0.105 306.9)
-
Step 600
600
#8560A7
oklch(55.6% 0.114 307.1)
-
Step 700
700
#714F8F
oklch(49.2% 0.106 307.4)
-
Step 800
800
#5C4174
oklch(42.7% 0.087 307.5)
-
Step 900
900 (this color)
#513D64
oklch(39.9% 0.068 307.1)
-
Step 950
950
#2C2137
oklch(27.1% 0.042 306.7)
#513D64 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) | #354566 | 0.048 |
| Deuteranopia (no green cones) | #394663 | 0.045 |
| Tritanopia (no blue cones) | #4E434C | 0.050 |
| Achromatopsia (no color) | #454545 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513D64
#513D64
oklch(39.9% 0.068 307.1)
- #3D4E24
#3D4E24
oklch(39.8% 0.068 127.4)
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 #513D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.068
- Dusk #4E5481 ΔE 0.072
- Purple Brown #673A3F ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.075
- Dusty Grape #545775 ΔE 0.076
- Twilight #4E518B ΔE 0.076
- Charcoal #264653 ΔE 0.079
Use #513D64 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.