#6B3176
Closest named color: Rebecca Purple (#663399). oklch(42% 0.126 321), rgb(107, 49, 118).
Aa
White text reads best on this color (9.02:1).
About this color
#6B3176 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.126 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.059 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #6B3176 |
| RGB | rgb(107, 49, 118) |
| HSL | hsl(290, 41%, 33%) |
| OKLCH | oklch(42% 0.126 321) |
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 #6B3176 | 9.02:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #6B3176 | 2.32:1 | Fails | Lc 13.7 | Not readable |
| #6B3176 text on white | 9.02:1 | AAA | Lc 90.3 | Preferred for body text |
| #6B3176 text on black | 2.32:1 | Fails | Lc -12.0 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F3
oklch(93.5% 0.023 321.4)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D7B2DE
oklch(81% 0.073 320.9)
-
Step 400
400
#C287CD
oklch(70.6% 0.118 321.1)
-
Step 500
500
#B267C0
oklch(63.1% 0.151 321.1)
-
Step 600
600
#9D4CAC
oklch(55.5% 0.164 321.2)
-
Step 700
700
#863D94
oklch(49.1% 0.152 320.9)
-
Step 800
800 (this color)
#6B3176
oklch(42% 0.126 321)
-
Step 900
900
#592D61
oklch(37.7% 0.1 321.3)
-
Step 950
950
#341B39
oklch(27% 0.063 320.8)
#6B3176 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) | #244578 | 0.120 |
| Deuteranopia (no green cones) | #384B74 | 0.105 |
| Tritanopia (no blue cones) | #6C3B4E | 0.078 |
| Achromatopsia (no color) | #494949 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3176
#6B3176
oklch(42% 0.126 321)
- #1B5D10
#1B5D10
oklch(42.1% 0.126 141.2)
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 #6B3176, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.059
- Purple #800080 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.076
- Rich Purple #720058 ΔE 0.078
- Velvet #750851 ΔE 0.080
- Light Eggplant #894585 ΔE 0.081
- Grape Purple #5D1451 ΔE 0.085
- Dark Magenta #8B008B ΔE 0.086
Use #6B3176 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.