#644456
Closest named color: Brownish Purple (#76424E). oklch(42.9% 0.051 344.7), rgb(100, 68, 86).
Aa
White text reads best on this color (8.38:1).
About this color
#644456 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.051 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.035 away. White text reads best on it, at 8.38:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #644456 |
| RGB | rgb(100, 68, 86) |
| HSL | hsl(326, 19%, 33%) |
| OKLCH | oklch(42.9% 0.051 344.7) |
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 #644456 | 8.38:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #644456 | 2.50:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #644456 text on white | 8.38:1 | AAA | Lc 88.9 | Fine for body text |
| #644456 text on black | 2.50:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EEE8EB
oklch(93.7% 0.008 345.4)
-
Step 200
200
#E2D5DC
oklch(88.5% 0.017 343.7)
-
Step 300
300
#D0B9C5
oklch(80.9% 0.031 345)
-
Step 400
400
#B795A8
oklch(70.7% 0.048 343.8)
-
Step 500
500
#A57B92
oklch(63.1% 0.061 345)
-
Step 600
600
#90647C
oklch(55.7% 0.066 345.6)
-
Step 700
700
#7A5269
oklch(49% 0.063 344.2)
-
Step 800
800 (this color)
#644456
oklch(42.9% 0.051 344.7)
-
Step 900
900
#513947
oklch(37.7% 0.04 343.4)
-
Step 950
950
#302229
oklch(27.1% 0.024 347.4)
#644456 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) | #464A57 | 0.053 |
| Deuteranopia (no green cones) | #4E4F55 | 0.048 |
| Tritanopia (no blue cones) | #68444A | 0.021 |
| Achromatopsia (no color) | #4D4D4D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644456
#644456
oklch(42.9% 0.051 344.7)
- #335848
#335848
oklch(42.7% 0.051 164.8)
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 #644456, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.035
- Purple Brown #673A3F ΔE 0.039
- Dusty Grape #545775 ΔE 0.066
- Dark Mauve #874C62 ΔE 0.074
- Dusk #4E5481 ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.081
- YInMn Blue #415A77 ΔE 0.084
- Dark Slate Gray #2F4F4F ΔE 0.090
Use #644456 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.