#642B4E
Closest named color: Grape Purple (#5D1451). oklch(38% 0.094 344.7), rgb(100, 43, 78).
Aa
White text reads best on this color (10.51:1).
About this color
#642B4E is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.094 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.054 away. White text reads best on it, at 10.51:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #642B4E |
| RGB | rgb(100, 43, 78) |
| HSL | hsl(323, 40%, 28%) |
| OKLCH | oklch(38% 0.094 344.7) |
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 #642B4E | 10.51:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #642B4E | 1.99:1 | Fails | Lc 9.9 | Not readable |
| #642B4E text on white | 10.51:1 | AAA | Lc 94.0 | Preferred for body text |
| #642B4E 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F5E5ED
oklch(93.7% 0.02 345.7)
-
Step 200
200
#EDCFDF
oklch(88.4% 0.039 344.5)
-
Step 300
300
#E3AFCB
oklch(81% 0.07 345.2)
-
Step 400
400
#D283B1
oklch(70.6% 0.113 344.5)
-
Step 500
500
#C5629E
oklch(63.2% 0.144 344.7)
-
Step 600
600
#B04688
oklch(55.6% 0.157 345.1)
-
Step 700
700
#973774
oklch(49.2% 0.146 344.7)
-
Step 800
800
#7A2E5E
oklch(42.6% 0.121 344.6)
-
Step 900
900 (this color)
#642B4E
oklch(38% 0.094 344.7)
-
Step 950
950
#3A192D
oklch(26.9% 0.06 344.6)
#642B4E 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) | #30394F | 0.100 |
| Deuteranopia (no green cones) | #3F434D | 0.092 |
| Tritanopia (no blue cones) | #6A2B39 | 0.038 |
| Achromatopsia (no color) | #3F3F3F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642B4E
#642B4E
oklch(38% 0.094 344.7)
- #004F37
#004F37
oklch(37.9% 0.08 164.8)
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 #642B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.054
- Purple Brown #673A3F ΔE 0.055
- Velvet #750851 ΔE 0.059
- Merlot #730039 ΔE 0.064
- Rich Purple #720058 ΔE 0.067
- Red Purple #820747 ΔE 0.071
- Wine #80013F ΔE 0.072
- Brownish Purple #76424E ΔE 0.075
Use #642B4E 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.