#641C65
Closest named color: Grape Purple (#5D1451). oklch(37.3% 0.138 327.3), rgb(100, 28, 101).
Aa
White text reads best on this color (11.07:1).
About this color
#641C65 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.138 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.038 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #641C65 |
| RGB | rgb(100, 28, 101) |
| HSL | hsl(299, 57%, 25%) |
| OKLCH | oklch(37.3% 0.138 327.3) |
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 #641C65 | 11.07:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #641C65 | 1.89:1 | Fails | Lc 9.2 | Not readable |
| #641C65 text on white | 11.07:1 | AAA | Lc 94.7 | Preferred for body text |
| #641C65 text on black | 1.89:1 | Fails | Lc -7.9 | 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
#F5E3F4
oklch(93.5% 0.03 327.5)
-
Step 200
200
#EECCED
oklch(88.4% 0.058 327)
-
Step 300
300
#E5A9E3
oklch(80.9% 0.103 327.6)
-
Step 400
400
#D578D5
oklch(70.7% 0.164 327.1)
-
Step 500
500
#C84ECA
oklch(63.1% 0.211 327.1)
-
Step 600
600
#B427B6
oklch(55.6% 0.23 327.5)
-
Step 700
700
#9A169D
oklch(49.1% 0.213 327.2)
-
Step 800
800
#7D187F
oklch(42.6% 0.176 327.3)
-
Step 900
900 (this color)
#641C65
oklch(37.3% 0.138 327.3)
-
Step 950
950
#3C133C
oklch(27.1% 0.088 327.7)
#641C65 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) | #0F3667 | 0.145 |
| Deuteranopia (no green cones) | #2E3F63 | 0.123 |
| Tritanopia (no blue cones) | #67273E | 0.078 |
| Achromatopsia (no color) | #3C3C3C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641C65
#641C65
oklch(37.3% 0.138 327.3)
- #004F19
#004F19
oklch(37.3% 0.11 147.3)
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 #641C65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.038
- Rich Purple #720058 ΔE 0.043
- Velvet #750851 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.071
- Purple #800080 ΔE 0.074
- Royal Purple #4B006E ΔE 0.075
- Merlot #730039 ΔE 0.082
- Red Purple #820747 ΔE 0.083
Use #641C65 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.