#641D72
Closest named color: Rich Purple (#720058). oklch(38.3% 0.148 320.5), rgb(100, 29, 114).
Aa
White text reads best on this color (10.71:1).
About this color
#641D72 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.058 away. White text reads best on it, at 10.71:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.96:1 |
| White text | 10.71:1 |
Values
| HEX | #641D72 |
| RGB | rgb(100, 29, 114) |
| HSL | hsl(290, 59%, 28%) |
| OKLCH | oklch(38.3% 0.148 320.5) |
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 #641D72 | 10.71:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #641D72 | 1.96:1 | Fails | Lc 10.0 | Not readable |
| #641D72 text on white | 10.71:1 | AAA | Lc 93.9 | Preferred for body text |
| #641D72 text on black | 1.96:1 | Fails | Lc -8.6 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F4E3F7
oklch(93.5% 0.032 321.1)
-
Step 200
200
#ECCCF3
oklch(88.4% 0.063 320.2)
-
Step 300
300
#E1A9ED
oklch(80.9% 0.111 320.3)
-
Step 400
400
#D177E4
oklch(70.8% 0.178 320.4)
-
Step 500
500
#C34BDB
oklch(63% 0.227 320.5)
-
Step 600
600
#AF20C9
oklch(55.7% 0.247 320.5)
-
Step 700
700
#960AAD
oklch(49.1% 0.23 320.7)
-
Step 800
800
#7A138C
oklch(42.7% 0.19 320.8)
-
Step 900
900 (this color)
#641D72
oklch(38.3% 0.148 320.5)
-
Step 950
950
#3A1242
oklch(27% 0.094 320.6)
#641D72 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) | #003974 | 0.149 |
| Deuteranopia (no green cones) | #264070 | 0.128 |
| Tritanopia (no blue cones) | #652D45 | 0.091 |
| Achromatopsia (no color) | #3E3E3E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641D72
#641D72
oklch(38.3% 0.148 320.5)
- #115200
#115200
oklch(38.3% 0.125 140.5)
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 #641D72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.058
- Grape Purple #5D1451 ΔE 0.059
- Purple #800080 ΔE 0.064
- Velvet #750851 ΔE 0.069
- Royal Purple #4B006E ΔE 0.071
- Rebecca Purple #663399 ΔE 0.075
- Indigo #4B0082 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.083
Use #641D72 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.