#640949
Closest named color: Grape Purple (#5D1451). oklch(34.2% 0.137 344.2), rgb(100, 9, 73).
Aa
White text reads best on this color (12.52:1).
About this color
#640949 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.137 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.022 away. White text reads best on it, at 12.52:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.67:1 |
| White text | 12.52:1 |
Values
| HEX | #640949 |
| RGB | rgb(100, 9, 73) |
| HSL | hsl(318, 83%, 21%) |
| OKLCH | oklch(34.2% 0.137 344.2) |
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 #640949 | 12.52:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #640949 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #640949 text on white | 12.52:1 | AAA | Lc 97.0 | Preferred for body text |
| #640949 text on black | 1.67:1 | Fails | Lc 0.0 | 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
#FDF2F8
oklch(97.1% 0.014 343.2)
-
Step 100
100
#F9E2EF
oklch(93.5% 0.03 342.6)
-
Step 200
200
#F6CBE2
oklch(88.6% 0.057 344.9)
-
Step 300
300
#F0A6D1
oklch(80.9% 0.102 343.9)
-
Step 400
400
#E572B9
oklch(70.7% 0.164 344.2)
-
Step 500
500
#DA45A7
oklch(63.1% 0.209 344.4)
-
Step 600
600
#C51593
oklch(55.6% 0.228 344)
-
Step 700
700
#A9007D
oklch(49.1% 0.21 344)
-
Step 800
800
#8A0B66
oklch(42.8% 0.175 344)
-
Step 900
900 (this color)
#640949
oklch(34.2% 0.137 344.2)
-
Step 950
950
#411030
oklch(26.9% 0.086 344.3)
#640949 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) | #172A4B | 0.154 |
| Deuteranopia (no green cones) | #343947 | 0.132 |
| Tritanopia (no blue cones) | #6B082A | 0.058 |
| Achromatopsia (no color) | #343434 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #640949
#640949
oklch(34.2% 0.137 344.2)
- #00442E
#00442E
oklch(34.2% 0.073 163.9)
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 #640949, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.022
- Rich Purple #720058 ΔE 0.039
- Velvet #750851 ΔE 0.040
- Merlot #730039 ΔE 0.045
- Plum Purple #4E0550 ΔE 0.056
- Burgundy #610023 ΔE 0.065
- Deep Violet #490648 ΔE 0.065
- Wine #80013F ΔE 0.067
Use #640949 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.