#64436C
Closest named color: Dusty Grape (#545775). oklch(43.6% 0.077 319.6), rgb(100, 67, 108).
Aa
White text reads best on this color (8.19:1).
About this color
#64436C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.077 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.059 away. White text reads best on it, at 8.19:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #64436C |
| RGB | rgb(100, 67, 108) |
| HSL | hsl(288, 23%, 34%) |
| OKLCH | oklch(43.6% 0.077 319.6) |
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 #64436C | 8.19:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #64436C | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #64436C text on white | 8.19:1 | AAA | Lc 88.2 | Fine for body text |
| #64436C text on black | 2.56:1 | Fails | Lc -13.9 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CEB8D3
oklch(81% 0.044 320)
-
Step 400
400
#B592BD
oklch(70.6% 0.073 320)
-
Step 500
500
#A277AC
oklch(63.1% 0.092 319.9)
-
Step 600
600
#8D5F98
oklch(55.6% 0.101 319.7)
-
Step 700
700
#784E82
oklch(49.1% 0.094 319.7)
-
Step 800
800 (this color)
#64436C
oklch(43.6% 0.077 319.6)
-
Step 900
900
#503756
oklch(37.8% 0.061 319.7)
-
Step 950
950
#2F2032
oklch(27% 0.039 320.7)
#64436C 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) | #3E4D6E | 0.066 |
| Deuteranopia (no green cones) | #46506B | 0.060 |
| Tritanopia (no blue cones) | #654852 | 0.050 |
| Achromatopsia (no color) | #4F4F4F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64436C
#64436C
oklch(43.6% 0.077 319.6)
- #3A5C32
#3A5C32
oklch(43.7% 0.077 139.8)
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 #64436C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.059
- Brownish Purple #76424E ΔE 0.059
- Dusk #4E5481 ΔE 0.060
- Twilight #4E518B ΔE 0.065
- Purple Brown #673A3F ΔE 0.072
- Dark Mauve #874C62 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.077
- YInMn Blue #415A77 ΔE 0.079
Use #64436C 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.