#642F4A
Closest named color: Purple Brown (#673A3F). oklch(38.5% 0.084 349.9), rgb(100, 47, 74).
Aa
White text reads best on this color (10.25:1).
About this color
#642F4A is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.084 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.041 away. White text reads best on it, at 10.25:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #642F4A |
| RGB | rgb(100, 47, 74) |
| HSL | hsl(329, 36%, 29%) |
| OKLCH | oklch(38.5% 0.084 349.9) |
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 #642F4A | 10.25:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #642F4A | 2.04:1 | Fails | Lc 10.5 | Not readable |
| #642F4A text on white | 10.25:1 | AAA | Lc 93.5 | Preferred for body text |
| #642F4A text on black | 2.04:1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EB
oklch(93.6% 0.018 351.2)
-
Step 200
200
#ECD0DC
oklch(88.4% 0.035 350.1)
-
Step 300
300
#E1B1C6
oklch(81% 0.062 350.5)
-
Step 400
400
#D086A9
oklch(70.6% 0.101 350.1)
-
Step 500
500
#C26694
oklch(63% 0.129 350.1)
-
Step 600
600
#AD4C7F
oklch(55.6% 0.139 349.8)
-
Step 700
700
#943C6B
oklch(49% 0.13 349.8)
-
Step 800
800
#793257
oklch(42.7% 0.109 350.2)
-
Step 900
900 (this color)
#642F4A
oklch(38.5% 0.084 349.9)
-
Step 950
950
#391B2A
oklch(27% 0.052 349.8)
#642F4A 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) | #353B4B | 0.090 |
| Deuteranopia (no green cones) | #434449 | 0.082 |
| Tritanopia (no blue cones) | #6B2D39 | 0.031 |
| Achromatopsia (no color) | #414141 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642F4A
#642F4A
oklch(38.5% 0.084 349.9)
- #00503D
#00503D
oklch(38.4% 0.076 170)
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 #642F4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.041
- Brownish Purple #76424E ΔE 0.065
- Grape Purple #5D1451 ΔE 0.066
- Velvet #750851 ΔE 0.069
- Merlot #730039 ΔE 0.070
- Red Purple #820747 ΔE 0.076
- Wine #80013F ΔE 0.076
- Bordeaux #7B002C ΔE 0.078
Use #642F4A 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.