#642646
Closest named color: Grape Purple (#5D1451). oklch(36.9% 0.098 350.8), rgb(100, 38, 70).
Aa
White text reads best on this color (11.00:1).
About this color
#642646 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.098 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.050 away. White text reads best on it, at 11.00:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #642646 |
| RGB | rgb(100, 38, 70) |
| HSL | hsl(329, 45%, 27%) |
| OKLCH | oklch(36.9% 0.098 350.8) |
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 #642646 | 11.00:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #642646 | 1.90:1 | Fails | Lc 9.0 | Not readable |
| #642646 text on white | 11.00:1 | AAA | Lc 94.9 | Preferred for body text |
| #642646 text on black | 1.90:1 | Fails | Lc -7.7 | 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 900.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#EFCFDC
oklch(88.5% 0.04 351.5)
-
Step 300
300
#E6AEC6
oklch(80.9% 0.072 351.3)
-
Step 400
400
#D781AA
oklch(70.7% 0.117 350.5)
-
Step 500
500
#CA5E95
oklch(63% 0.15 350.5)
-
Step 600
600
#B5427F
oklch(55.6% 0.162 350.8)
-
Step 700
700
#9C336B
oklch(49.2% 0.151 351.1)
-
Step 800
800
#7F2B57
oklch(42.7% 0.126 351.3)
-
Step 900
900 (this color)
#642646
oklch(36.9% 0.098 350.8)
-
Step 950
950
#3C182A
oklch(26.9% 0.062 350.8)
#642646 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) | #2E3547 | 0.107 |
| Deuteranopia (no green cones) | #3F4045 | 0.096 |
| Tritanopia (no blue cones) | #6B2333 | 0.034 |
| Achromatopsia (no color) | #3C3C3C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642646
#642646
oklch(36.9% 0.098 350.8)
- #004C3A
#004C3A
oklch(37.1% 0.073 170.2)
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 #642646, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.050
- Merlot #730039 ΔE 0.053
- Velvet #750851 ΔE 0.056
- Purple Brown #673A3F ΔE 0.058
- Wine #80013F ΔE 0.066
- Rich Purple #720058 ΔE 0.066
- Bordeaux #7B002C ΔE 0.067
- Red Purple #820747 ΔE 0.067
Use #642646 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.