#642C49
Closest named color: Purple Brown (#673A3F). oklch(38% 0.089 349.9), rgb(100, 44, 73).
Aa
White text reads best on this color (10.50:1).
About this color
#642C49 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.089 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.047 away. White text reads best on it, at 10.50:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #642C49 |
| RGB | rgb(100, 44, 73) |
| HSL | hsl(329, 39%, 28%) |
| OKLCH | oklch(38% 0.089 349.9) |
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 #642C49 | 10.50:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #642C49 | 1.99:1 | Fails | Lc 9.9 | Not readable |
| #642C49 text on white | 10.50:1 | AAA | Lc 94.0 | Preferred for body text |
| #642C49 text on black | 1.99:1 | Fails | Lc -8.6 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F5E5EC
oklch(93.7% 0.02 349.1)
-
Step 200
200
#EDD0DD
oklch(88.5% 0.037 349)
-
Step 300
300
#E3B0C7
oklch(81% 0.066 349.9)
-
Step 400
400
#D384AA
oklch(70.7% 0.108 349.9)
-
Step 500
500
#C56495
oklch(63.2% 0.136 350.1)
-
Step 600
600
#B04880
oklch(55.6% 0.149 349.6)
-
Step 700
700
#97396C
oklch(49.1% 0.138 349.7)
-
Step 800
800
#7B3058
oklch(42.8% 0.114 349.9)
-
Step 900
900 (this color)
#642C49
oklch(38% 0.089 349.9)
-
Step 950
950
#3A1A2A
oklch(27% 0.055 350.2)
#642C49 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) | #32394A | 0.097 |
| Deuteranopia (no green cones) | #414348 | 0.088 |
| Tritanopia (no blue cones) | #6B2A37 | 0.033 |
| Achromatopsia (no color) | #3F3F3F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C49
#642C49
oklch(38% 0.089 349.9)
- #004F3C
#004F3C
oklch(38% 0.075 169.8)
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 #642C49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.047
- Grape Purple #5D1451 ΔE 0.060
- Merlot #730039 ΔE 0.064
- Velvet #750851 ΔE 0.064
- Brownish Purple #76424E ΔE 0.071
- Wine #80013F ΔE 0.072
- Red Purple #820747 ΔE 0.072
- Bordeaux #7B002C ΔE 0.074
Use #642C49 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.