#6B4791
Closest named color: Rebecca Purple (#663399). oklch(47.2% 0.12 304.7), rgb(107, 71, 145).
Aa
White text reads best on this color (7.15:1).
About this color
#6B4791 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.120 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 0.051 away. White text reads best on it, at 7.15:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #6B4791 |
| RGB | rgb(107, 71, 145) |
| HSL | hsl(269, 34%, 42%) |
| OKLCH | oklch(47.2% 0.12 304.7) |
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 #6B4791 | 7.15:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #6B4791 | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #6B4791 text on white | 7.15:1 | AAA | Lc 84.6 | Fine for body text |
| #6B4791 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
#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
#AE92D0
oklch(70.8% 0.094 304.8)
-
Step 500
500
#9A76C3
oklch(63.1% 0.118 304.8)
-
Step 600
600
#855DB0
oklch(55.6% 0.13 304.8)
-
Step 700
700 (this color)
#6B4791
oklch(47.2% 0.12 304.7)
-
Step 800
800
#5C3F7A
oklch(42.7% 0.099 305.3)
-
Step 900
900
#4B3663
oklch(37.7% 0.078 304.4)
-
Step 950
950
#2C203A
oklch(27% 0.049 304.5)
#6B4791 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) | #315794 | 0.090 |
| Deuteranopia (no green cones) | #3B588F | 0.082 |
| Tritanopia (no blue cones) | #655465 | 0.089 |
| Achromatopsia (no color) | #585858 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4791
#6B4791
oklch(47.2% 0.12 304.7)
- #4D6600
#4D6600
oklch(47.3% 0.118 124.6)
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 #6B4791, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.051
- Twilight #4E518B ΔE 0.054
- Light Eggplant #894585 ΔE 0.059
- Dusk #4E5481 ΔE 0.066
- Blueberry #464196 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.070
- Muted Purple #805B87 ΔE 0.073
- Dusty Grape #545775 ΔE 0.079
Use #6B4791 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.