#642F4C
Closest named color: Purple Brown (#673A3F). oklch(38.6% 0.085 347.8), rgb(100, 47, 76).
Aa
White text reads best on this color (10.22:1).
About this color
#642F4C is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.085 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 10.22:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #642F4C |
| RGB | rgb(100, 47, 76) |
| HSL | hsl(327, 36%, 29%) |
| OKLCH | oklch(38.6% 0.085 347.8) |
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 #642F4C | 10.22:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #642F4C | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #642F4C text on white | 10.22:1 | AAA | Lc 93.4 | Preferred for body text |
| #642F4C text on black | 2.05:1 | Fails | Lc -9.1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EC
oklch(93.6% 0.019 347.4)
-
Step 200
200
#ECD0DD
oklch(88.5% 0.036 348.1)
-
Step 300
300
#E1B0C8
oklch(80.8% 0.065 347.7)
-
Step 400
400
#D086AC
oklch(70.7% 0.102 347.9)
-
Step 500
500
#C26698
oklch(63.2% 0.131 347.7)
-
Step 600
600
#AD4B82
oklch(55.6% 0.143 347.9)
-
Step 700
700
#943C6E
oklch(49.1% 0.132 347.8)
-
Step 800
800
#78325A
oklch(42.7% 0.109 347.3)
-
Step 900
900 (this color)
#642F4C
oklch(38.6% 0.085 347.8)
-
Step 950
950
#391B2B
oklch(27% 0.053 348)
#642F4C 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) | #343B4D | 0.092 |
| Deuteranopia (no green cones) | #42444B | 0.083 |
| Tritanopia (no blue cones) | #6A2E3A | 0.032 |
| Achromatopsia (no color) | #414141 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642F4C
#642F4C
oklch(38.6% 0.085 347.8)
- #00513C
#00513C
oklch(38.6% 0.078 168.1)
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 #642F4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Grape Purple #5D1451 ΔE 0.065
- Brownish Purple #76424E ΔE 0.066
- Velvet #750851 ΔE 0.068
- Merlot #730039 ΔE 0.070
- Red Purple #820747 ΔE 0.075
- Wine #80013F ΔE 0.076
- Rich Purple #720058 ΔE 0.078
Use #642F4C 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.