#513A67
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.078 306.7), rgb(81, 58, 103).
Aa
White text reads best on this color (9.76:1).
About this color
#513A67 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.078 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 0.062 away. White text reads best on it, at 9.76:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #513A67 |
| RGB | rgb(81, 58, 103) |
| HSL | hsl(271, 28%, 32%) |
| OKLCH | oklch(39.4% 0.078 306.7) |
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 #513A67 | 9.76:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #513A67 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #513A67 text on white | 9.76:1 | AAA | Lc 92.5 | Preferred for body text |
| #513A67 text on black | 2.15:1 | Fails | Lc -9.9 | 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
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#CAB7DF
oklch(80.8% 0.059 306.6)
-
Step 400
400
#B091CF
oklch(70.7% 0.095 307)
-
Step 500
500
#9C75C2
oklch(63.1% 0.12 306.6)
-
Step 600
600
#875CAF
oklch(55.6% 0.131 306.5)
-
Step 700
700
#734B96
oklch(49.1% 0.122 307.1)
-
Step 800
800
#5D3E7A
oklch(42.6% 0.101 306.4)
-
Step 900
900 (this color)
#513A67
oklch(39.4% 0.078 306.7)
-
Step 950
950
#2D2039
oklch(27.1% 0.048 307.3)
#513A67 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) | #304369 | 0.056 |
| Deuteranopia (no green cones) | #354466 | 0.052 |
| Tritanopia (no blue cones) | #4E414B | 0.058 |
| Achromatopsia (no color) | #444444 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513A67
#513A67
oklch(39.4% 0.078 306.7)
- #3B4E1B
#3B4E1B
oklch(39.5% 0.079 126.9)
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 #513A67, 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
- Dark Grey Blue #29465B ΔE 0.075
- Dusk #4E5481 ΔE 0.077
- Twilight #4E518B ΔE 0.078
- Blueberry #464196 ΔE 0.080
- Purple Brown #673A3F ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.083
- Dusty Grape #545775 ΔE 0.083
Use #513A67 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.