#642648
Closest named color: Grape Purple (#5D1451). oklch(37% 0.099 349), rgb(100, 38, 72).
Aa
White text reads best on this color (10.97:1).
About this color
#642648 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.099 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.048 away. White text reads best on it, at 10.97:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #642648 |
| RGB | rgb(100, 38, 72) |
| HSL | hsl(327, 45%, 27%) |
| OKLCH | oklch(37% 0.099 349) |
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 #642648 | 10.97:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #642648 | 1.91:1 | Fails | Lc 9.0 | Not readable |
| #642648 text on white | 10.97:1 | AAA | Lc 94.9 | Preferred for body text |
| #642648 text on black | 1.91:1 | 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
#EFCFDD
oklch(88.5% 0.04 349.7)
-
Step 300
300
#E6AEC8
oklch(81% 0.073 349.3)
-
Step 400
400
#D781AC
oklch(70.7% 0.118 349.2)
-
Step 500
500
#CA5E98
oklch(63.1% 0.152 348.9)
-
Step 600
600
#B54182
oklch(55.6% 0.165 349.1)
-
Step 700
700
#9B326E
oklch(49% 0.153 348.9)
-
Step 800
800
#7E2B5A
oklch(42.7% 0.126 348.8)
-
Step 900
900 (this color)
#642648
oklch(37% 0.099 349)
-
Step 950
950
#3C182B
oklch(27% 0.063 349.2)
#642648 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) | #2D3649 | 0.108 |
| Deuteranopia (no green cones) | #3E4046 | 0.097 |
| Tritanopia (no blue cones) | #6B2433 | 0.038 |
| Achromatopsia (no color) | #3C3C3C | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642648
#642648
oklch(37% 0.099 349)
- #004C39
#004C39
oklch(37% 0.074 169.1)
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 #642648, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.048
- Merlot #730039 ΔE 0.054
- Velvet #750851 ΔE 0.054
- Purple Brown #673A3F ΔE 0.059
- Rich Purple #720058 ΔE 0.064
- Wine #80013F ΔE 0.066
- Red Purple #820747 ΔE 0.067
- Bordeaux #7B002C ΔE 0.068
Use #642648 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.