#642C44
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.086 355.1), rgb(100, 44, 68).
Aa
White text reads best on this color (10.57:1).
About this color
#642C44 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.086 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 10.57:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #642C44 |
| RGB | rgb(100, 44, 68) |
| HSL | hsl(334, 39%, 28%) |
| OKLCH | oklch(37.8% 0.086 355.1) |
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 #642C44 | 10.57:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #642C44 | 1.98:1 | Fails | Lc 9.8 | Not readable |
| #642C44 text on white | 10.57:1 | AAA | Lc 94.1 | Preferred for body text |
| #642C44 text on black | 1.98:1 | Fails | Lc -8.4 | 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
#F5E5EA
oklch(93.6% 0.019 356.4)
-
Step 200
200
#EED0DA
oklch(88.5% 0.036 355.7)
-
Step 300
300
#E3B0C3
oklch(80.9% 0.064 354.4)
-
Step 400
400
#D485A4
oklch(70.8% 0.104 355)
-
Step 500
500
#C6648D
oklch(63% 0.133 355.2)
-
Step 600
600
#B14977
oklch(55.5% 0.144 355.2)
-
Step 700
700
#983A64
oklch(49.1% 0.133 355.3)
-
Step 800
800
#7B3152
oklch(42.7% 0.11 354.9)
-
Step 900
900 (this color)
#642C44
oklch(37.8% 0.086 355.1)
-
Step 950
950
#3B1A28
oklch(27% 0.055 354.7)
#642C44 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) | #343845 | 0.093 |
| Deuteranopia (no green cones) | #434343 | 0.086 |
| Tritanopia (no blue cones) | #6B2935 | 0.027 |
| Achromatopsia (no color) | #3F3F3F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C44
#642C44
oklch(37.8% 0.086 355.1)
- #004E40
#004E40
oklch(37.9% 0.071 175.3)
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 #642C44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Merlot #730039 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.065
- Velvet #750851 ΔE 0.069
- Brownish Purple #76424E ΔE 0.070
- Bordeaux #7B002C ΔE 0.071
- Wine #80013F ΔE 0.072
- Wine Red #7B0323 ΔE 0.074
Use #642C44 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.