#6B3884
Closest named color: Rebecca Purple (#663399). oklch(43.9% 0.13 313.3), rgb(107, 56, 132).
Aa
White text reads best on this color (8.32:1).
About this color
#6B3884 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.130 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 8.32:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #6B3884 |
| RGB | rgb(107, 56, 132) |
| HSL | hsl(280, 40%, 37%) |
| OKLCH | oklch(43.9% 0.13 313.3) |
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 #6B3884 | 8.32:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #6B3884 | 2.52:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #6B3884 text on white | 8.32:1 | AAA | Lc 88.3 | Fine for body text |
| #6B3884 text on black | 2.52:1 | Fails | Lc -13.8 | Not readable |
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 800.
-
Step 50
50
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D2ED
oklch(88.6% 0.041 313.2)
-
Step 300
300
#D2B3E4
oklch(81% 0.075 313)
-
Step 400
400
#BB89D6
oklch(70.6% 0.121 313.2)
-
Step 500
500
#AA69CB
oklch(63% 0.156 313.3)
-
Step 600
600
#954FB8
oklch(55.6% 0.168 313)
-
Step 700
700
#7F3F9E
oklch(49.1% 0.156 313.2)
-
Step 800
800 (this color)
#6B3884
oklch(43.9% 0.13 313.3)
-
Step 900
900
#542F67
oklch(37.7% 0.1 313)
-
Step 950
950
#311C3C
oklch(27% 0.063 313.1)
#6B3884 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) | #234B86 | 0.114 |
| Deuteranopia (no green cones) | #354F82 | 0.101 |
| Tritanopia (no blue cones) | #694558 | 0.088 |
| Achromatopsia (no color) | #4E4E4E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3884
#6B3884
oklch(43.9% 0.13 313.3)
- #346000
#346000
oklch(44% 0.125 133.4)
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 #6B3884, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.065
- Light Eggplant #894585 ΔE 0.070
- Blueberry #464196 ΔE 0.073
- Twilight #4E518B ΔE 0.076
- Purple #800080 ΔE 0.078
- Warm Purple #952E8F ΔE 0.084
- Dusk #4E5481 ΔE 0.085
Use #6B3884 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.