#642A41
Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.088 357.3), rgb(100, 42, 65).
Aa
White text reads best on this color (10.77:1).
About this color
#642A41 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.088 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 10.77:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #642A41 |
| RGB | rgb(100, 42, 65) |
| HSL | hsl(336, 41%, 28%) |
| OKLCH | oklch(37.4% 0.088 357.3) |
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 #642A41 | 10.77:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #642A41 | 1.94:1 | Fails | Lc 9.4 | Not readable |
| #642A41 text on white | 10.77:1 | AAA | Lc 94.5 | Preferred for body text |
| #642A41 text on black | 1.94:1 | Fails | Lc -8.1 | 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 900.
-
Step 50
50
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F5E5EA
oklch(93.6% 0.019 356.4)
-
Step 200
200
#EFD0D9
oklch(88.6% 0.037 358.4)
-
Step 300
300
#E5AFC1
oklch(80.8% 0.067 356.9)
-
Step 400
400
#D584A1
oklch(70.6% 0.105 357.1)
-
Step 500
500
#C8638A
oklch(63.1% 0.135 357.3)
-
Step 600
600
#B34874
oklch(55.6% 0.146 357.3)
-
Step 700
700
#9A3861
oklch(49.1% 0.137 357.4)
-
Step 800
800
#7D2F4F
oklch(42.6% 0.113 357.5)
-
Step 900
900 (this color)
#642A41
oklch(37.4% 0.088 357.3)
-
Step 950
950
#3B1A27
oklch(27% 0.055 356.5)
#642A41 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) | #333742 | 0.097 |
| Deuteranopia (no green cones) | #424240 | 0.089 |
| Tritanopia (no blue cones) | #6C2633 | 0.027 |
| Achromatopsia (no color) | #3E3E3E | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642A41
#642A41
oklch(37.4% 0.088 357.3)
- #004C40
#004C40
oklch(37.3% 0.069 177.5)
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 #642A41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Merlot #730039 ΔE 0.060
- Grape Purple #5D1451 ΔE 0.064
- Bordeaux #7B002C ΔE 0.067
- Velvet #750851 ΔE 0.068
- Wine Red #7B0323 ΔE 0.070
- Wine #80013F ΔE 0.070
- Red Purple #820747 ΔE 0.073
Use #642A41 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.