#644168
Closest named color: Brownish Purple (#76424E). oklch(43.1% 0.076 323.2), rgb(100, 65, 104).
Aa
White text reads best on this color (8.40:1).
About this color
#644168 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.056 away. White text reads best on it, at 8.40:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #644168 |
| RGB | rgb(100, 65, 104) |
| HSL | hsl(294, 23%, 33%) |
| OKLCH | oklch(43.1% 0.076 323.2) |
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 #644168 | 8.40:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #644168 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #644168 text on white | 8.40:1 | AAA | Lc 88.9 | Fine for body text |
| #644168 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E1D4E3
oklch(88.5% 0.025 321.7)
-
Step 300
300
#CFB7D2
oklch(80.8% 0.046 322.5)
-
Step 400
400
#B792BB
oklch(70.8% 0.072 323.1)
-
Step 500
500
#A477A9
oklch(63.1% 0.089 323.2)
-
Step 600
600
#8F5F95
oklch(55.7% 0.098 322.9)
-
Step 700
700
#7A4E7F
oklch(49.2% 0.092 323.2)
-
Step 800
800 (this color)
#644168
oklch(43.1% 0.076 323.2)
-
Step 900
900
#513754
oklch(37.8% 0.059 323.1)
-
Step 950
950
#2F2031
oklch(26.9% 0.037 322.5)
#644168 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) | #3D4B69 | 0.068 |
| Deuteranopia (no green cones) | #464F67 | 0.062 |
| Tritanopia (no blue cones) | #654550 | 0.045 |
| Achromatopsia (no color) | #4D4D4D | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644168
#644168
oklch(43.1% 0.076 323.2)
- #355B34
#355B34
oklch(43.2% 0.076 143.6)
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 #644168, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.056
- Dusty Grape #545775 ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Dusk #4E5481 ΔE 0.066
- Twilight #4E518B ΔE 0.071
- Dark Mauve #874C62 ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.081
- YInMn Blue #415A77 ΔE 0.083
Use #644168 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.