#642C46
Closest named color: Purple Brown (#673A3F). oklch(37.9% 0.087 352.9), rgb(100, 44, 70).
Aa
White text reads best on this color (10.54:1).
About this color
#642C46 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.087 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 10.54:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #642C46 |
| RGB | rgb(100, 44, 70) |
| HSL | hsl(332, 39%, 28%) |
| OKLCH | oklch(37.9% 0.087 352.9) |
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 #642C46 | 10.54:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #642C46 | 1.99:1 | Fails | Lc 9.8 | Not readable |
| #642C46 text on white | 10.54:1 | AAA | Lc 94.1 | Preferred for body text |
| #642C46 text on black | 1.99:1 | Fails | Lc -8.5 | 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 900.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EED0DB
oklch(88.6% 0.036 353.7)
-
Step 300
300
#E3B0C4
oklch(80.9% 0.065 353.2)
-
Step 400
400
#D385A6
oklch(70.7% 0.104 353.1)
-
Step 500
500
#C56490
oklch(63% 0.133 353.1)
-
Step 600
600
#B1497B
oklch(55.7% 0.146 352.9)
-
Step 700
700
#973A67
oklch(49.1% 0.134 353.1)
-
Step 800
800
#7B3054
oklch(42.6% 0.112 353)
-
Step 900
900 (this color)
#642C46
oklch(37.9% 0.087 352.9)
-
Step 950
950
#3B1A29
oklch(27.1% 0.056 352.9)
#642C46 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) | #333947 | 0.095 |
| Deuteranopia (no green cones) | #424345 | 0.087 |
| Tritanopia (no blue cones) | #6B2936 | 0.029 |
| Achromatopsia (no color) | #3F3F3F | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C46
#642C46
oklch(37.9% 0.087 352.9)
- #004E3E
#004E3E
oklch(37.8% 0.073 172.9)
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 #642C46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Grape Purple #5D1451 ΔE 0.063
- Merlot #730039 ΔE 0.063
- Velvet #750851 ΔE 0.067
- Brownish Purple #76424E ΔE 0.071
- Bordeaux #7B002C ΔE 0.072
- Wine #80013F ΔE 0.072
- Red Purple #820747 ΔE 0.073
Use #642C46 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.