#644372
Closest named color: Dusk (#4E5481). oklch(43.9% 0.084 315.4), rgb(100, 67, 114).
Aa
White text reads best on this color (8.11:1).
About this color
#644372 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.084 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.057 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #644372 |
| RGB | rgb(100, 67, 114) |
| HSL | hsl(282, 26%, 35%) |
| OKLCH | oklch(43.9% 0.084 315.4) |
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 #644372 | 8.11:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #644372 | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #644372 text on white | 8.11:1 | AAA | Lc 88.0 | Fine for body text |
| #644372 text on black | 2.58:1 | Fails | Lc -14.2 | 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
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E0D4E6
oklch(88.5% 0.028 314.7)
-
Step 300
300
#CDB7D7
oklch(80.8% 0.05 315.3)
-
Step 400
400
#B492C3
oklch(70.8% 0.079 315.4)
-
Step 500
500
#A176B3
oklch(63.1% 0.101 315.6)
-
Step 600
600
#8C5E9F
oklch(55.6% 0.11 315.6)
-
Step 700
700
#774D88
oklch(49.1% 0.103 315.7)
-
Step 800
800 (this color)
#644372
oklch(43.9% 0.084 315.4)
-
Step 900
900
#4F3659
oklch(37.6% 0.066 316)
-
Step 950
950
#2E2034
oklch(27% 0.041 315.5)
#644372 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) | #3B4E74 | 0.070 |
| Deuteranopia (no green cones) | #435171 | 0.064 |
| Tritanopia (no blue cones) | #634955 | 0.056 |
| Achromatopsia (no color) | #505050 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644372
#644372
oklch(43.9% 0.084 315.4)
- #3D5D2B
#3D5D2B
oklch(44.1% 0.085 135.4)
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 #644372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.057
- Twilight #4E518B ΔE 0.059
- Dusty Grape #545775 ΔE 0.059
- Brownish Purple #76424E ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.070
- Light Eggplant #894585 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.080
- YInMn Blue #415A77 ΔE 0.080
Use #644372 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.