#642B51
Closest named color: Grape Purple (#5D1451). oklch(38.2% 0.096 342), rgb(100, 43, 81).
Aa
White text reads best on this color (10.46:1).
About this color
#642B51 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.096 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.052 away. White text reads best on it, at 10.46:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #642B51 |
| RGB | rgb(100, 43, 81) |
| HSL | hsl(320, 40%, 28%) |
| OKLCH | oklch(38.2% 0.096 342) |
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 #642B51 | 10.46:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #642B51 | 2.00:1 | Fails | Lc 10.1 | Not readable |
| #642B51 text on white | 10.46:1 | AAA | Lc 93.9 | Preferred for body text |
| #642B51 text on black | 2.00:1 | Fails | Lc -8.7 | 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F4E5EE
oklch(93.6% 0.02 340.7)
-
Step 200
200
#EDCFE1
oklch(88.5% 0.041 341.3)
-
Step 300
300
#E2AFCE
oklch(81% 0.072 341.8)
-
Step 400
400
#D283B5
oklch(70.8% 0.116 342)
-
Step 500
500
#C461A2
oklch(63.1% 0.148 342.2)
-
Step 600
600
#AF458D
oklch(55.6% 0.161 342.1)
-
Step 700
700
#963678
oklch(49.1% 0.149 342)
-
Step 800
800
#7A2E62
oklch(42.8% 0.123 341.8)
-
Step 900
900 (this color)
#642B51
oklch(38.2% 0.096 342)
-
Step 950
950
#3A192F
oklch(27% 0.061 341.5)
#642B51 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) | #2F3A52 | 0.102 |
| Deuteranopia (no green cones) | #3E4350 | 0.092 |
| Tritanopia (no blue cones) | #6A2B3A | 0.042 |
| Achromatopsia (no color) | #3F3F3F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642B51
#642B51
oklch(38.2% 0.096 342)
- #005035
#005035
oklch(38.1% 0.083 162.3)
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 #642B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.052
- Velvet #750851 ΔE 0.057
- Purple Brown #673A3F ΔE 0.058
- Rich Purple #720058 ΔE 0.065
- Merlot #730039 ΔE 0.066
- Red Purple #820747 ΔE 0.071
- Wine #80013F ΔE 0.073
- Brownish Purple #76424E ΔE 0.076
Use #642B51 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.