#644355
Closest named color: Brownish Purple (#76424E). oklch(42.6% 0.053 345.7), rgb(100, 67, 85).
Aa
White text reads best on this color (8.48:1).
About this color
#644355 is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.053 and its hue 346°. 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 8.48:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #644355 |
| RGB | rgb(100, 67, 85) |
| HSL | hsl(327, 20%, 33%) |
| OKLCH | oklch(42.6% 0.053 345.7) |
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 #644355 | 8.48:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #644355 | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #644355 text on white | 8.48:1 | AAA | Lc 89.1 | Fine for body text |
| #644355 text on black | 2.47:1 | Fails | Lc -13.1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE8EB
oklch(93.7% 0.009 349.3)
-
Step 200
200
#E2D5DB
oklch(88.5% 0.016 347.7)
-
Step 300
300
#D0B9C5
oklch(80.9% 0.031 345)
-
Step 400
400
#B895A7
oklch(70.7% 0.048 346.1)
-
Step 500
500
#A67A92
oklch(63% 0.064 345.2)
-
Step 600
600
#91637C
oklch(55.6% 0.069 345.8)
-
Step 700
700
#7B5269
oklch(49.1% 0.064 345)
-
Step 800
800 (this color)
#644355
oklch(42.6% 0.053 345.7)
-
Step 900
900
#523946
oklch(37.8% 0.041 346.7)
-
Step 950
950
#302129
oklch(26.9% 0.027 345.8)
#644355 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) | #454A56 | 0.055 |
| Deuteranopia (no green cones) | #4D4F54 | 0.051 |
| Tritanopia (no blue cones) | #684349 | 0.021 |
| Achromatopsia (no color) | #4D4D4D | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644355
#644355
oklch(42.6% 0.053 345.7)
- #315848
#315848
oklch(42.6% 0.052 165.8)
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 #644355, 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 0.036
- Dusty Grape #545775 ΔE 0.068
- Dark Mauve #874C62 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.080
- Dusk #4E5481 ΔE 0.081
- YInMn Blue #415A77 ΔE 0.086
- Dark Slate Gray #2F4F4F ΔE 0.090
Use #644355 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.