#642E55
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.094 339), rgb(100, 46, 85).
Aa
White text reads best on this color (10.17:1).
About this color
#642E55 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.094 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.057 away. White text reads best on it, at 10.17:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.06:1 |
| White text | 10.17:1 |
Values
| HEX | #642E55 |
| RGB | rgb(100, 46, 85) |
| HSL | hsl(317, 37%, 29%) |
| OKLCH | oklch(38.8% 0.094 339) |
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 #642E55 | 10.17:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #642E55 | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #642E55 text on white | 10.17:1 | AAA | Lc 93.3 | Preferred for body text |
| #642E55 text on black | 2.06:1 | Fails | Lc -9.2 | 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
#F4E5EE
oklch(93.6% 0.02 340.7)
-
Step 200
200
#ECD0E2
oklch(88.6% 0.039 339.2)
-
Step 300
300
#E0AFD0
oklch(80.8% 0.071 338.6)
-
Step 400
400
#CF84B8
oklch(70.7% 0.113 339)
-
Step 500
500
#C063A6
oklch(63% 0.144 338.8)
-
Step 600
600
#AB4891
oklch(55.6% 0.156 338.9)
-
Step 700
700
#93387C
oklch(49.1% 0.147 338.7)
-
Step 800
800
#773064
oklch(42.7% 0.119 339.1)
-
Step 900
900 (this color)
#642E55
oklch(38.8% 0.094 339)
-
Step 950
950
#391A30
oklch(27.1% 0.059 339.2)
#642E55 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) | #303C56 | 0.098 |
| Deuteranopia (no green cones) | #3F4454 | 0.087 |
| Tritanopia (no blue cones) | #692F3D | 0.044 |
| Achromatopsia (no color) | #414141 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642E55
#642E55
oklch(38.8% 0.094 339)
- #005232
#005232
oklch(38.7% 0.089 158.9)
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 #642E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.057
- Grape Purple #5D1451 ΔE 0.058
- Velvet #750851 ΔE 0.062
- Rich Purple #720058 ΔE 0.069
- Brownish Purple #76424E ΔE 0.072
- Merlot #730039 ΔE 0.073
- Red Purple #820747 ΔE 0.075
- Wine #80013F ΔE 0.078
Use #642E55 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.