#642947
Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.093 350.8), rgb(100, 41, 71).
Aa
White text reads best on this color (10.76:1).
About this color
#642947 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.093 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.052 away. White text reads best on it, at 10.76:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #642947 |
| RGB | rgb(100, 41, 71) |
| HSL | hsl(329, 42%, 28%) |
| OKLCH | oklch(37.4% 0.093 350.8) |
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 #642947 | 10.76:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #642947 | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #642947 text on white | 10.76:1 | AAA | Lc 94.5 | Preferred for body text |
| #642947 text on black | 1.95:1 | Fails | Lc -8.1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EECFDC
oklch(88.4% 0.039 350.7)
-
Step 300
300
#E5AFC6
oklch(81% 0.069 351.4)
-
Step 400
400
#D583A9
oklch(70.7% 0.111 351)
-
Step 500
500
#C86194
oklch(63.1% 0.143 351)
-
Step 600
600
#B3457F
oklch(55.6% 0.156 350.6)
-
Step 700
700
#99366B
oklch(49% 0.144 350.5)
-
Step 800
800
#7D2E57
oklch(42.8% 0.119 351.1)
-
Step 900
900 (this color)
#642947
oklch(37.4% 0.093 350.8)
-
Step 950
950
#3B192A
oklch(26.9% 0.059 350.5)
#642947 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) | #303748 | 0.102 |
| Deuteranopia (no green cones) | #404146 | 0.091 |
| Tritanopia (no blue cones) | #6B2735 | 0.033 |
| Achromatopsia (no color) | #3E3E3E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642947
#642947
oklch(37.4% 0.093 350.8)
- #004D3B
#004D3B
oklch(37.4% 0.074 170.4)
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 #642947, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Grape Purple #5D1451 ΔE 0.055
- Merlot #730039 ΔE 0.058
- Velvet #750851 ΔE 0.060
- Wine #80013F ΔE 0.068
- Bordeaux #7B002C ΔE 0.070
- Red Purple #820747 ΔE 0.070
- Rich Purple #720058 ΔE 0.071
Use #642947 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.