#64436F
Closest named color: Dusk (#4E5481). oklch(43.8% 0.081 317.4), rgb(100, 67, 111).
Aa
White text reads best on this color (8.15:1).
About this color
#64436F is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.081 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.058 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #64436F |
| RGB | rgb(100, 67, 111) |
| HSL | hsl(285, 25%, 35%) |
| OKLCH | oklch(43.8% 0.081 317.4) |
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 #64436F | 8.15:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #64436F | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #64436F text on white | 8.15:1 | AAA | Lc 88.1 | Fine for body text |
| #64436F text on black | 2.57:1 | Fails | Lc -14.1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CDB8D5
oklch(80.9% 0.046 316.7)
-
Step 400
400
#B492C0
oklch(70.7% 0.076 317.2)
-
Step 500
500
#A177B0
oklch(63.1% 0.096 317)
-
Step 600
600
#8C5F9B
oklch(55.6% 0.104 317.4)
-
Step 700
700
#774E85
oklch(49.1% 0.097 317.2)
-
Step 800
800 (this color)
#64436F
oklch(43.8% 0.081 317.4)
-
Step 900
900
#4F3757
oklch(37.7% 0.061 317.5)
-
Step 950
950
#2E2033
oklch(26.9% 0.04 317)
#64436F 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) | #3C4D71 | 0.068 |
| Deuteranopia (no green cones) | #45506E | 0.061 |
| Tritanopia (no blue cones) | #644954 | 0.053 |
| Achromatopsia (no color) | #4F4F4F | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64436F
#64436F
oklch(43.8% 0.081 317.4)
- #3B5C2E
#3B5C2E
oklch(43.7% 0.081 137.4)
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 #64436F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.058
- Dusty Grape #545775 ΔE 0.059
- Twilight #4E518B ΔE 0.062
- Brownish Purple #76424E ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.074
- Purple Brown #673A3F ΔE 0.076
- Dark Mauve #874C62 ΔE 0.078
- Light Eggplant #894585 ΔE 0.079
Use #64436F 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.