#613664
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.091 324.7), rgb(97, 54, 100).
Aa
White text reads best on this color (9.45:1).
About this color
#613664 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.091 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 0.068 away. White text reads best on it, at 9.45:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.45:1 |
Values
| HEX | #613664 |
| RGB | rgb(97, 54, 100) |
| HSL | hsl(296, 30%, 30%) |
| OKLCH | oklch(40.5% 0.091 324.7) |
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 #613664 | 9.45:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #613664 | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #613664 text on white | 9.45:1 | AAA | Lc 91.6 | Preferred for body text |
| #613664 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
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E4D3E4
oklch(88.6% 0.029 325.8)
-
Step 300
300
#D3B5D4
oklch(80.9% 0.054 325.1)
-
Step 400
400
#BC8EBE
oklch(70.6% 0.086 325.1)
-
Step 500
500
#AA72AE
oklch(63.1% 0.108 324.4)
-
Step 600
600
#955999
oklch(55.5% 0.118 324.8)
-
Step 700
700
#7F4983
oklch(49.1% 0.109 324.6)
-
Step 800
800 (this color)
#613664
oklch(40.5% 0.091 324.7)
-
Step 900
900
#543456
oklch(37.7% 0.07 324.8)
-
Step 950
950
#311F33
oklch(27.1% 0.044 323.2)
#613664 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) | #314366 | 0.086 |
| Deuteranopia (no green cones) | #3D4863 | 0.077 |
| Tritanopia (no blue cones) | #633B48 | 0.054 |
| Achromatopsia (no color) | #464646 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613664
#613664
oklch(40.5% 0.091 324.7)
- #255527
#255527
oklch(40.4% 0.091 144.4)
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 #613664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.068
- Brownish Purple #76424E ΔE 0.072
- Grape Purple #5D1451 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.079
- Velvet #750851 ΔE 0.081
- Rich Purple #720058 ΔE 0.084
- Dusk #4E5481 ΔE 0.088
- Twilight #4E518B ΔE 0.090
Use #613664 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.