#6A4391
Closest named color: Rebecca Purple (#663399). oklch(46.4% 0.127 305.1), rgb(106, 67, 145).
Aa
White text reads best on this color (7.43:1).
About this color
#6A4391 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.127 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 7.43:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #6A4391 |
| RGB | rgb(106, 67, 145) |
| HSL | hsl(270, 37%, 42%) |
| OKLCH | oklch(46.4% 0.127 305.1) |
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 #6A4391 | 7.43:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #6A4391 | 2.82:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #6A4391 text on white | 7.43:1 | AAA | Lc 85.6 | Fine for body text |
| #6A4391 text on black | 2.82:1 | Fails | Lc -16.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4EC
oklch(88.5% 0.034 304.5)
-
Step 300
300
#CAB7E1
oklch(80.9% 0.062 305.6)
-
Step 400
400
#AF91D2
oklch(70.7% 0.098 305.2)
-
Step 500
500
#9B74C6
oklch(63% 0.126 305)
-
Step 600
600
#865BB2
oklch(55.5% 0.137 305.2)
-
Step 700
700 (this color)
#6A4391
oklch(46.4% 0.127 305.1)
-
Step 800
800
#5D3E7C
oklch(42.8% 0.104 305.5)
-
Step 900
900
#4C3564
oklch(37.7% 0.082 305.4)
-
Step 950
950
#2C1F3B
oklch(26.9% 0.053 304.5)
#6A4391 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) | #2A5494 | 0.097 |
| Deuteranopia (no green cones) | #36558F | 0.088 |
| Tritanopia (no blue cones) | #635163 | 0.094 |
| Achromatopsia (no color) | #555555 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A4391
#6A4391
oklch(46.4% 0.127 305.1)
- #4A6400
#4A6400
oklch(46.5% 0.117 125.3)
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 #6A4391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Twilight #4E518B ΔE 0.058
- Light Eggplant #894585 ΔE 0.064
- Blueberry #464196 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
- Dusk #4E5481 ΔE 0.071
- Muted Purple #805B87 ΔE 0.083
- Dusty Grape #545775 ΔE 0.085
Use #6A4391 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.