#6D4691
Closest named color: Rebecca Purple (#663399). oklch(47.2% 0.123 306.3), rgb(109, 70, 145).
Aa
White text reads best on this color (7.15:1).
About this color
#6D4691 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.123 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.050 away. White text reads best on it, at 7.15:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #6D4691 |
| RGB | rgb(109, 70, 145) |
| HSL | hsl(271, 35%, 42%) |
| OKLCH | oklch(47.2% 0.123 306.3) |
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 #6D4691 | 7.15:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #6D4691 | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #6D4691 text on white | 7.15:1 | AAA | Lc 84.6 | Fine for body text |
| #6D4691 text on black | 2.93:1 | Fails | Lc -17.4 | 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
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#CAB7DF
oklch(80.8% 0.059 306.6)
-
Step 400
400
#AF91D0
oklch(70.7% 0.096 305.9)
-
Step 500
500
#9C75C3
oklch(63.1% 0.121 306.2)
-
Step 600
600
#875CAF
oklch(55.6% 0.131 306.5)
-
Step 700
700 (this color)
#6D4691
oklch(47.2% 0.123 306.3)
-
Step 800
800
#5D3E7A
oklch(42.6% 0.101 306.4)
-
Step 900
900
#4C3562
oklch(37.6% 0.079 306.5)
-
Step 950
950
#2D203A
oklch(27.2% 0.05 306.3)
#6D4691 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) | #305694 | 0.094 |
| Deuteranopia (no green cones) | #3B588F | 0.086 |
| Tritanopia (no blue cones) | #675365 | 0.089 |
| Achromatopsia (no color) | #585858 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D4691
#6D4691
oklch(47.2% 0.123 306.3)
- #4A6700
#4A6700
oklch(47.3% 0.121 126.4)
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 #6D4691, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Light Eggplant #894585 ΔE 0.057
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.069
- Blueberry #464196 ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.073
- Muted Purple #805B87 ΔE 0.073
- Dull Purple #84597E ΔE 0.080
Use #6D4691 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.