#64436D
Closest named color: Dusty Grape (#545775). oklch(43.7% 0.078 318.9), rgb(100, 67, 109).
Aa
White text reads best on this color (8.18:1).
About this color
#64436D is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.078 and its hue 319°. 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 8.18:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #64436D |
| RGB | rgb(100, 67, 109) |
| HSL | hsl(287, 24%, 35%) |
| OKLCH | oklch(43.7% 0.078 318.9) |
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 #64436D | 8.18:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #64436D | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #64436D text on white | 8.18:1 | AAA | Lc 88.2 | Fine for body text |
| #64436D text on black | 2.56:1 | Fails | Lc -14.0 | 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
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CEB8D4
oklch(81% 0.046 319)
-
Step 400
400
#B592BE
oklch(70.7% 0.074 319.3)
-
Step 500
500
#A277AE
oklch(63.1% 0.094 318.8)
-
Step 600
600
#8D5F99
oklch(55.6% 0.102 319.2)
-
Step 700
700
#774E83
oklch(49% 0.095 318.4)
-
Step 800
800 (this color)
#64436D
oklch(43.7% 0.078 318.9)
-
Step 900
900
#4F3756
oklch(37.7% 0.06 318.4)
-
Step 950
950
#2F2032
oklch(27% 0.039 320.7)
#64436D 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) | #3D4D6F | 0.067 |
| Deuteranopia (no green cones) | #45506C | 0.061 |
| Tritanopia (no blue cones) | #644853 | 0.050 |
| Achromatopsia (no color) | #4F4F4F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64436D
#64436D
oklch(43.7% 0.078 318.9)
- #3A5C31
#3A5C31
oklch(43.7% 0.078 139.3)
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 #64436D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.059
- Dusk #4E5481 ΔE 0.059
- Brownish Purple #76424E ΔE 0.061
- Twilight #4E518B ΔE 0.064
- Purple Brown #673A3F ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.076
- Dark Mauve #874C62 ΔE 0.077
- YInMn Blue #415A77 ΔE 0.079
Use #64436D 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.