#64346C
Closest named color: Dark Slate Blue (#483D8B). oklch(41% 0.106 321.7), rgb(100, 52, 108).
Aa
White text reads best on this color (9.33:1).
About this color
#64346C is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.106 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 0.073 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #64346C |
| RGB | rgb(100, 52, 108) |
| HSL | hsl(291, 35%, 31%) |
| OKLCH | oklch(41% 0.106 321.7) |
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 #64346C | 9.33:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #64346C | 2.24:1 | Fails | Lc 12.7 | Not readable |
| #64346C text on white | 9.33:1 | AAA | Lc 91.2 | Preferred for body text |
| #64346C text on black | 2.24:1 | Fails | Lc -11.1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E4D2E7
oklch(88.5% 0.034 321.4)
-
Step 300
300
#D4B4D9
oklch(80.9% 0.062 321.7)
-
Step 400
400
#BE8CC6
oklch(70.8% 0.099 321.8)
-
Step 500
500
#AD6EB7
oklch(63.2% 0.127 321.9)
-
Step 600
600
#9855A3
oklch(55.7% 0.137 321.8)
-
Step 700
700
#81448B
oklch(49% 0.128 321.8)
-
Step 800
800 (this color)
#64346C
oklch(41% 0.106 321.7)
-
Step 900
900
#55315B
oklch(37.5% 0.082 321.7)
-
Step 950
950
#321D36
oklch(26.9% 0.053 321)
#64346C 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) | #2C436E | 0.098 |
| Deuteranopia (no green cones) | #3A496A | 0.088 |
| Tritanopia (no blue cones) | #653B4B | 0.064 |
| Achromatopsia (no color) | #474747 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64346C
#64346C
oklch(41% 0.106 321.7)
- #23581D
#23581D
oklch(41% 0.106 141.7)
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 #64346C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.073
- Rebecca Purple #663399 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.077
- Velvet #750851 ΔE 0.079
- Rich Purple #720058 ΔE 0.080
- Brownish Purple #76424E ΔE 0.082
- Purple Brown #673A3F ΔE 0.083
- Twilight #4E518B ΔE 0.088
Use #64346C 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.