#613663
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.09 325.5), rgb(97, 54, 99).
Aa
White text reads best on this color (9.47:1).
About this color
#613663 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.090 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.067 away. White text reads best on it, at 9.47:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #613663 |
| RGB | rgb(97, 54, 99) |
| HSL | hsl(297, 29%, 30%) |
| OKLCH | oklch(40.4% 0.09 325.5) |
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 #613663 | 9.47:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #613663 | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #613663 text on white | 9.47:1 | AAA | Lc 91.7 | Preferred for body text |
| #613663 text on black | 2.21:1 | 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 800.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E4D3E4
oklch(88.6% 0.029 325.8)
-
Step 300
300
#D3B5D3
oklch(80.8% 0.053 326.1)
-
Step 400
400
#BC8FBD
oklch(70.8% 0.083 325.7)
-
Step 500
500
#AB72AD
oklch(63.2% 0.108 325.6)
-
Step 600
600
#965998
oklch(55.6% 0.117 325.9)
-
Step 700
700
#7F4982
oklch(49.1% 0.108 325.2)
-
Step 800
800 (this color)
#613663
oklch(40.4% 0.09 325.5)
-
Step 900
900
#543456
oklch(37.7% 0.07 324.8)
-
Step 950
950
#321F32
oklch(27.2% 0.044 326.7)
#613663 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) | #324265 | 0.084 |
| Deuteranopia (no green cones) | #3D4862 | 0.077 |
| Tritanopia (no blue cones) | #633B48 | 0.052 |
| Achromatopsia (no color) | #464646 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613663
#613663
oklch(40.4% 0.09 325.5)
- #245529
#245529
oklch(40.4% 0.089 145.7)
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 #613663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.067
- Brownish Purple #76424E ΔE 0.071
- Grape Purple #5D1451 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.080
- Velvet #750851 ΔE 0.081
- Rich Purple #720058 ΔE 0.084
- Dusk #4E5481 ΔE 0.089
- Twilight #4E518B ΔE 0.090
Use #613663 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.