#641764
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.143 328), rgb(100, 23, 100).
Aa
White text reads best on this color (11.36:1).
About this color
#641764 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.143 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.035 away. White text reads best on it, at 11.36:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.84:1 |
| White text | 11.36:1 |
Values
| HEX | #641764 |
| RGB | rgb(100, 23, 100) |
| HSL | hsl(300, 63%, 24%) |
| OKLCH | oklch(36.8% 0.143 328) |
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 #641764 | 11.36:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #641764 | 1.84:1 | Fails | Lc 8.7 | Not readable |
| #641764 text on white | 11.36:1 | AAA | Lc 95.2 | Preferred for body text |
| #641764 text on black | 1.84:1 | Fails | Lc -7.5 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F6E3F5
oklch(93.6% 0.031 327.4)
-
Step 200
200
#F0CCED
oklch(88.6% 0.059 328.7)
-
Step 300
300
#E7A8E4
oklch(81% 0.107 328.1)
-
Step 400
400
#D875D6
oklch(70.7% 0.172 327.9)
-
Step 500
500
#CB4ACB
oklch(63.1% 0.219 327.8)
-
Step 600
600
#B71EB7
oklch(55.6% 0.239 328.2)
-
Step 700
700
#9D099E
oklch(49.2% 0.222 328)
-
Step 800
800
#7F1280
oklch(42.7% 0.183 327.8)
-
Step 900
900 (this color)
#641764
oklch(36.8% 0.143 328)
-
Step 950
950
#3D123C
oklch(27.1% 0.09 328.6)
#641764 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) | #083466 | 0.153 |
| Deuteranopia (no green cones) | #2C3E62 | 0.129 |
| Tritanopia (no blue cones) | #67233C | 0.079 |
| Achromatopsia (no color) | #3A3A3A | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641764
#641764
oklch(36.8% 0.143 328)
- #004D1A
#004D1A
oklch(36.6% 0.106 147.9)
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 #641764, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.035
- Rich Purple #720058 ΔE 0.039
- Velvet #750851 ΔE 0.050
- Plum Purple #4E0550 ΔE 0.066
- Royal Purple #4B006E ΔE 0.071
- Purple #800080 ΔE 0.073
- Merlot #730039 ΔE 0.081
- Deep Violet #490648 ΔE 0.081
Use #641764 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.