#64384F
Closest named color: Purple Brown (#673A3F). oklch(40.3% 0.07 348.1), rgb(100, 56, 79).
Aa
White text reads best on this color (9.45:1).
About this color
#64384F is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.030 away. White text reads best on it, at 9.45:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #64384F |
| RGB | rgb(100, 56, 79) |
| HSL | hsl(329, 28%, 31%) |
| OKLCH | oklch(40.3% 0.07 348.1) |
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 #64384F | 9.45:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #64384F | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #64384F text on white | 9.45:1 | AAA | Lc 91.7 | Preferred for body text |
| #64384F text on black | 2.22:1 | Fails | Lc -10.7 | 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
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E5D3DC
oklch(88.4% 0.023 345.8)
-
Step 300
300
#D6B6C5
oklch(80.8% 0.042 348.1)
-
Step 400
400
#C090A8
oklch(70.6% 0.066 347.4)
-
Step 500
500
#AF7492
oklch(62.9% 0.084 347.9)
-
Step 600
600
#9A5C7D
oklch(55.5% 0.092 347.3)
-
Step 700
700
#844C69
oklch(49.1% 0.085 348.3)
-
Step 800
800 (this color)
#64384F
oklch(40.3% 0.07 348.1)
-
Step 900
900
#573547
oklch(37.6% 0.055 347.1)
-
Step 950
950
#331F29
oklch(26.9% 0.035 348.3)
#64384F 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) | #3C4150 | 0.074 |
| Deuteranopia (no green cones) | #47494E | 0.069 |
| Tritanopia (no blue cones) | #6A3740 | 0.027 |
| Achromatopsia (no color) | #464646 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64384F
#64384F
oklch(40.3% 0.07 348.1)
- #175441
#175441
oklch(40.2% 0.07 168.3)
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 #64384F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.030
- Brownish Purple #76424E ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.086
- Velvet #750851 ΔE 0.086
- Red Purple #820747 ΔE 0.089
- Merlot #730039 ΔE 0.090
- Wine #80013F ΔE 0.091
Use #64384F 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.