#6A4591
Closest named color: Rebecca Purple (#663399). oklch(46.7% 0.123 304.5), rgb(106, 69, 145).
Aa
White text reads best on this color (7.30:1).
About this color
#6A4591 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.123 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 0.046 away. White text reads best on it, at 7.30:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #6A4591 |
| RGB | rgb(106, 69, 145) |
| HSL | hsl(269, 36%, 42%) |
| OKLCH | oklch(46.7% 0.123 304.5) |
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 #6A4591 | 7.30:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #6A4591 | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #6A4591 text on white | 7.30:1 | AAA | Lc 85.2 | Fine for body text |
| #6A4591 text on black | 2.87:1 | Fails | Lc -16.9 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#C9B8E0
oklch(81% 0.058 304.4)
-
Step 400
400
#AE92D1
oklch(70.8% 0.095 304.4)
-
Step 500
500
#9A75C5
oklch(63% 0.123 304.4)
-
Step 600
600
#855DB1
oklch(55.6% 0.132 304.5)
-
Step 700
700 (this color)
#6A4591
oklch(46.7% 0.123 304.5)
-
Step 800
800
#5C3F7C
oklch(42.8% 0.102 304.4)
-
Step 900
900
#4B3663
oklch(37.7% 0.078 304.4)
-
Step 950
950
#2C203A
oklch(27% 0.049 304.5)
#6A4591 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) | #2D5594 | 0.093 |
| Deuteranopia (no green cones) | #38568F | 0.084 |
| Tritanopia (no blue cones) | #635364 | 0.092 |
| Achromatopsia (no color) | #565656 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A4591
#6A4591
oklch(46.7% 0.123 304.5)
- #4C6400
#4C6400
oklch(46.7% 0.116 124.3)
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 #6A4591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.046
- Twilight #4E518B ΔE 0.055
- Light Eggplant #894585 ΔE 0.062
- Blueberry #464196 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.066
- Dusk #4E5481 ΔE 0.067
- Muted Purple #805B87 ΔE 0.078
- Dusty Grape #545775 ΔE 0.082
Use #6A4591 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.