#642C51
Closest named color: Grape Purple (#5D1451). oklch(38.3% 0.094 342.2), rgb(100, 44, 81).
Aa
White text reads best on this color (10.39:1).
About this color
#642C51 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.094 and its hue 342°. 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 10.39:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.02:1 |
| White text | 10.39:1 |
Values
| HEX | #642C51 |
| RGB | rgb(100, 44, 81) |
| HSL | hsl(320, 39%, 28%) |
| OKLCH | oklch(38.3% 0.094 342.2) |
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 #642C51 | 10.39:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #642C51 | 2.02:1 | Fails | Lc 10.2 | Not readable |
| #642C51 text on white | 10.39:1 | AAA | Lc 93.7 | Preferred for body text |
| #642C51 text on black | 2.02:1 | Fails | Lc -8.8 | 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
#EDCFE0
oklch(88.4% 0.04 342.9)
-
Step 300
300
#E2AFCD
oklch(80.9% 0.071 342.7)
-
Step 400
400
#D183B4
oklch(70.6% 0.114 342.2)
-
Step 500
500
#C362A1
oklch(63.1% 0.145 342.4)
-
Step 600
600
#AE468C
oklch(55.5% 0.158 342.3)
-
Step 700
700
#953777
oklch(49% 0.146 342.2)
-
Step 800
800
#792F61
oklch(42.7% 0.12 342.1)
-
Step 900
900 (this color)
#642C51
oklch(38.3% 0.094 342.2)
-
Step 950
950
#3A192E
oklch(27% 0.061 343)
#642C51 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) | #303A52 | 0.099 |
| Deuteranopia (no green cones) | #3F4350 | 0.089 |
| Tritanopia (no blue cones) | #6A2C3B | 0.040 |
| Achromatopsia (no color) | #404040 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C51
#642C51
oklch(38.3% 0.094 342.2)
- #005135
#005135
oklch(38.4% 0.085 161.7)
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 #642C51, 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 0.056
- Velvet #750851 ΔE 0.059
- Rich Purple #720058 ΔE 0.067
- Merlot #730039 ΔE 0.068
- Red Purple #820747 ΔE 0.072
- Brownish Purple #76424E ΔE 0.074
- Wine #80013F ΔE 0.074
Use #642C51 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.