#613668
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.096 321.8), rgb(97, 54, 104).
Aa
White text reads best on this color (9.39:1).
About this color
#613668 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.096 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.074 away. White text reads best on it, at 9.39:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #613668 |
| RGB | rgb(97, 54, 104) |
| HSL | hsl(292, 32%, 31%) |
| OKLCH | oklch(40.7% 0.096 321.8) |
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 #613668 | 9.39:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #613668 | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #613668 text on white | 9.39:1 | AAA | Lc 91.5 | Preferred for body text |
| #613668 text on black | 2.23:1 | Fails | Lc -10.9 | 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 800.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE6F0
oklch(93.5% 0.016 322.7)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D2B5D7
oklch(80.9% 0.057 321.3)
-
Step 400
400
#BB8EC2
oklch(70.7% 0.089 321.9)
-
Step 500
500
#A971B3
oklch(63.1% 0.115 321.3)
-
Step 600
600
#94589E
oklch(55.5% 0.124 321.7)
-
Step 700
700
#7E4887
oklch(49% 0.115 321.7)
-
Step 800
800 (this color)
#613668
oklch(40.7% 0.096 321.8)
-
Step 900
900
#543359
oklch(37.7% 0.075 322.1)
-
Step 950
950
#311E34
oklch(26.9% 0.048 321.9)
#613668 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) | #2F436A | 0.088 |
| Deuteranopia (no green cones) | #3B4867 | 0.079 |
| Tritanopia (no blue cones) | #623C4A | 0.058 |
| Achromatopsia (no color) | #464646 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613668
#613668
oklch(40.7% 0.096 321.8)
- #275623
#275623
oklch(40.7% 0.095 142.1)
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 #613668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.074
- Purple Brown #673A3F ΔE 0.075
- Brownish Purple #76424E ΔE 0.077
- Grape Purple #5D1451 ΔE 0.077
- Velvet #750851 ΔE 0.083
- Rebecca Purple #663399 ΔE 0.083
- Rich Purple #720058 ΔE 0.085
- Twilight #4E518B ΔE 0.086
Use #613668 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.