#642643
Closest named color: Merlot (#730039). oklch(36.8% 0.096 353.7), rgb(100, 38, 67).
Aa
White text reads best on this color (11.05:1).
About this color
#642643 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.096 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.052 away. White text reads best on it, at 11.05:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.90:1 |
| White text | 11.05:1 |
Values
| HEX | #642643 |
| RGB | rgb(100, 38, 67) |
| HSL | hsl(332, 45%, 27%) |
| OKLCH | oklch(36.8% 0.096 353.7) |
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 #642643 | 11.05:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #642643 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #642643 text on white | 11.05:1 | AAA | Lc 95.0 | Preferred for body text |
| #642643 text on black | 1.90:1 | Fails | Lc -7.6 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EB
oklch(93.5% 0.022 351.9)
-
Step 200
200
#F0CFDB
oklch(88.6% 0.04 354)
-
Step 300
300
#E7AEC4
oklch(81% 0.072 353.8)
-
Step 400
400
#D881A6
oklch(70.6% 0.116 353.5)
-
Step 500
500
#CB5F90
oklch(63.1% 0.147 353.7)
-
Step 600
600
#B6427A
oklch(55.5% 0.16 353.7)
-
Step 700
700
#9C3367
oklch(49% 0.149 353.4)
-
Step 800
800
#7F2C54
oklch(42.7% 0.122 353.7)
-
Step 900
900 (this color)
#642643
oklch(36.8% 0.096 353.7)
-
Step 950
950
#3C1829
oklch(26.9% 0.061 352.4)
#642643 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) | #2F3544 | 0.105 |
| Deuteranopia (no green cones) | #404042 | 0.095 |
| Tritanopia (no blue cones) | #6B2231 | 0.032 |
| Achromatopsia (no color) | #3C3C3C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642643
#642643
oklch(36.8% 0.096 353.7)
- #004B3C
#004B3C
oklch(36.8% 0.07 173.5)
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 #642643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.054
- Purple Brown #673A3F ΔE 0.056
- Velvet #750851 ΔE 0.059
- Bordeaux #7B002C ΔE 0.064
- Wine #80013F ΔE 0.066
- Red Purple #820747 ΔE 0.068
- Burgundy #610023 ΔE 0.068
Use #642643 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.