#641E70
Closest named color: Grape Purple (#5D1451). oklch(38.2% 0.145 321.4), rgb(100, 30, 112).
Aa
White text reads best on this color (10.70:1).
About this color
#641E70 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.145 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.056 away. White text reads best on it, at 10.70:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.96:1 |
| White text | 10.70:1 |
Values
| HEX | #641E70 |
| RGB | rgb(100, 30, 112) |
| HSL | hsl(291, 58%, 28%) |
| OKLCH | oklch(38.2% 0.145 321.4) |
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 #641E70 | 10.70:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #641E70 | 1.96:1 | Fails | Lc 10.0 | Not readable |
| #641E70 text on white | 10.70:1 | AAA | Lc 94.0 | Preferred for body text |
| #641E70 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E3F7
oklch(93.5% 0.032 321.1)
-
Step 200
200
#ECCDF2
oklch(88.6% 0.06 320.8)
-
Step 300
300
#E1A9EB
oklch(80.8% 0.109 321.3)
-
Step 400
400
#D177E1
oklch(70.6% 0.175 321.4)
-
Step 500
500
#C34DD8
oklch(63.1% 0.222 321.3)
-
Step 600
600
#AF24C5
oklch(55.6% 0.242 321.6)
-
Step 700
700
#9610AA
oklch(49.1% 0.225 321.6)
-
Step 800
800
#7A158A
oklch(42.7% 0.187 321.5)
-
Step 900
900 (this color)
#641E70
oklch(38.2% 0.145 321.4)
-
Step 950
950
#3A1341
oklch(27.1% 0.092 321.3)
#641E70 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) | #003972 | 0.149 |
| Deuteranopia (no green cones) | #28416E | 0.126 |
| Tritanopia (no blue cones) | #652D45 | 0.088 |
| Achromatopsia (no color) | #3E3E3E | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641E70
#641E70
oklch(38.2% 0.145 321.4)
- #0A5200
#0A5200
oklch(38.2% 0.127 141.4)
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 #641E70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Rich Purple #720058 ΔE 0.056
- Purple #800080 ΔE 0.065
- Velvet #750851 ΔE 0.066
- Royal Purple #4B006E ΔE 0.072
- Rebecca Purple #663399 ΔE 0.077
- Indigo #4B0082 ΔE 0.078
- Plum Purple #4E0550 ΔE 0.082
Use #641E70 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.