#6B4387
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.114 309.7), rgb(107, 67, 135).
Aa
White text reads best on this color (7.55:1).
About this color
#6B4387 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.114 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.052 away. White text reads best on it, at 7.55:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.77:1 |
| White text | 7.55:1 |
Values
| HEX | #6B4387 |
| RGB | rgb(107, 67, 135) |
| HSL | hsl(275, 34%, 40%) |
| OKLCH | oklch(45.9% 0.114 309.7) |
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 #6B4387 | 7.55:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #6B4387 | 2.77:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #6B4387 text on white | 7.55:1 | AAA | Lc 86.0 | Fine for body text |
| #6B4387 text on black | 2.77:1 | Fails | Lc -16.0 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DFD4E9
oklch(88.5% 0.031 309.1)
-
Step 300
300
#CBB7DC
oklch(80.8% 0.056 309.4)
-
Step 400
400
#B191CA
oklch(70.6% 0.089 309.8)
-
Step 500
500
#9E75BD
oklch(63% 0.114 309.6)
-
Step 600
600
#895DA9
oklch(55.6% 0.123 309.6)
-
Step 700
700 (this color)
#6B4387
oklch(45.9% 0.114 309.7)
-
Step 800
800
#5F3F76
oklch(42.8% 0.095 309.7)
-
Step 900
900
#4D365F
oklch(37.7% 0.073 309.1)
-
Step 950
950
#2D2038
oklch(27.1% 0.047 308.4)
#6B4387 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) | #325289 | 0.091 |
| Deuteranopia (no green cones) | #3D5585 | 0.083 |
| Tritanopia (no blue cones) | #674E5E | 0.082 |
| Achromatopsia (no color) | #545454 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4387
#6B4387
oklch(45.9% 0.114 309.7)
- #426410
#426410
oklch(46% 0.115 130)
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 #6B4387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.052
- Twilight #4E518B ΔE 0.057
- Light Eggplant #894585 ΔE 0.058
- Dusk #4E5481 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.067
- Blueberry #464196 ΔE 0.071
- Dusty Grape #545775 ΔE 0.077
- Muted Purple #805B87 ΔE 0.078
Use #6B4387 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.