#644353
Closest named color: Purple Brown (#673A3F). oklch(42.5% 0.051 348.9), rgb(100, 67, 83).
Aa
White text reads best on this color (8.50:1).
About this color
#644353 is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.051 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 8.50:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #644353 |
| RGB | rgb(100, 67, 83) |
| HSL | hsl(331, 20%, 33%) |
| OKLCH | oklch(42.5% 0.051 348.9) |
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 #644353 | 8.50:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #644353 | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #644353 text on white | 8.50:1 | AAA | Lc 89.2 | Fine for body text |
| #644353 text on black | 2.46:1 | Fails | Lc -13.0 | 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
#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
#D0B9C4
oklch(80.8% 0.03 347.3)
-
Step 400
400
#B895A5
oklch(70.7% 0.047 349.2)
-
Step 500
500
#A67B8F
oklch(63.1% 0.06 349.4)
-
Step 600
600
#91637A
oklch(55.5% 0.067 348.1)
-
Step 700
700
#7B5266
oklch(49% 0.061 348.9)
-
Step 800
800 (this color)
#644353
oklch(42.5% 0.051 348.9)
-
Step 900
900
#523945
oklch(37.7% 0.04 348.8)
-
Step 950
950
#302128
oklch(26.9% 0.026 349.4)
#644353 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) | #464954 | 0.053 |
| Deuteranopia (no green cones) | #4E4F52 | 0.050 |
| Tritanopia (no blue cones) | #694248 | 0.019 |
| Achromatopsia (no color) | #4D4D4D | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644353
#644353
oklch(42.5% 0.051 348.9)
- #30584A
#30584A
oklch(42.6% 0.051 169.3)
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 #644353, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Brownish Purple #76424E ΔE 0.035
- Dusty Grape #545775 ΔE 0.070
- Dark Mauve #874C62 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.079
- Dusk #4E5481 ΔE 0.083
- YInMn Blue #415A77 ΔE 0.087
- Dark Slate Gray #2F4F4F ΔE 0.089
Use #644353 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.