#642C56
Closest named color: Grape Purple (#5D1451). oklch(38.6% 0.099 337.9), rgb(100, 44, 86).
Aa
White text reads best on this color (10.31:1).
About this color
#642C56 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.053 away. White text reads best on it, at 10.31:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.03:1 |
| White text | 10.31:1 |
Values
| HEX | #642C56 |
| RGB | rgb(100, 44, 86) |
| HSL | hsl(315, 39%, 28%) |
| OKLCH | oklch(38.6% 0.099 337.9) |
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 #642C56 | 10.31:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #642C56 | 2.03:1 | Fails | Lc 10.4 | Not readable |
| #642C56 text on white | 10.31:1 | AAA | Lc 93.5 | Preferred for body text |
| #642C56 text on black | 2.03:1 | Fails | Lc -9.0 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5EF
oklch(93.7% 0.021 337.7)
-
Step 200
200
#ECCFE3
oklch(88.5% 0.042 337.2)
-
Step 300
300
#E1AFD1
oklch(81% 0.073 338.4)
-
Step 400
400
#D083BA
oklch(70.7% 0.118 338.1)
-
Step 500
500
#C261A9
oklch(63.1% 0.151 338)
-
Step 600
600
#AD4594
oklch(55.6% 0.164 338.1)
-
Step 700
700
#94367E
oklch(49.1% 0.152 338)
-
Step 800
800
#782E67
oklch(42.7% 0.126 337.5)
-
Step 900
900 (this color)
#642C56
oklch(38.6% 0.099 337.9)
-
Step 950
950
#391931
oklch(26.9% 0.062 337.5)
#642C56 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) | #2E3B57 | 0.102 |
| Deuteranopia (no green cones) | #3D4454 | 0.093 |
| Tritanopia (no blue cones) | #692E3D | 0.046 |
| Achromatopsia (no color) | #404040 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C56
#642C56
oklch(38.6% 0.099 337.9)
- #005230
#005230
oklch(38.6% 0.091 157.5)
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 #642C56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.053
- Velvet #750851 ΔE 0.058
- Purple Brown #673A3F ΔE 0.062
- Rich Purple #720058 ΔE 0.064
- Merlot #730039 ΔE 0.072
- Red Purple #820747 ΔE 0.074
- Wine #80013F ΔE 0.077
- Brownish Purple #76424E ΔE 0.077
Use #642C56 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.