#613866
Closest named color: Purple Brown (#673A3F). oklch(40.9% 0.089 323), rgb(97, 56, 102).
Aa
White text reads best on this color (9.26:1).
About this color
#613866 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.089 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.069 away. White text reads best on it, at 9.26:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #613866 |
| RGB | rgb(97, 56, 102) |
| HSL | hsl(293, 29%, 31%) |
| OKLCH | oklch(40.9% 0.089 323) |
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 #613866 | 9.26:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #613866 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #613866 text on white | 9.26:1 | AAA | Lc 91.2 | Preferred for body text |
| #613866 text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E4
oklch(88.5% 0.029 324)
-
Step 300
300
#D2B6D5
oklch(81% 0.053 323)
-
Step 400
400
#BA8FBF
oklch(70.7% 0.084 322.9)
-
Step 500
500
#A973AF
oklch(63.2% 0.107 323.2)
-
Step 600
600
#935A9A
oklch(55.5% 0.116 323)
-
Step 700
700
#7E4A84
oklch(49.2% 0.108 323.2)
-
Step 800
800 (this color)
#613866
oklch(40.9% 0.089 323)
-
Step 900
900
#533457
oklch(37.6% 0.07 322.8)
-
Step 950
950
#311F33
oklch(27.1% 0.044 323.2)
#613866 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) | #334468 | 0.081 |
| Deuteranopia (no green cones) | #3E4965 | 0.074 |
| Tritanopia (no blue cones) | #623D4A | 0.054 |
| Achromatopsia (no color) | #474747 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613866
#613866
oklch(40.9% 0.089 323)
- #295628
#295628
oklch(40.9% 0.089 143.3)
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 #613866, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.069
- Brownish Purple #76424E ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.076
- Grape Purple #5D1451 ΔE 0.081
- Dusk #4E5481 ΔE 0.083
- Twilight #4E518B ΔE 0.084
- Dusty Grape #545775 ΔE 0.085
- Velvet #750851 ΔE 0.086
Use #613866 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.