#6B3DA4
Closest named color: Rebecca Purple (#663399). oklch(46.8% 0.16 301), rgb(107, 61, 164).
Aa
White text reads best on this color (7.42:1).
About this color
#6B3DA4 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.160 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.42:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #6B3DA4 |
| RGB | rgb(107, 61, 164) |
| HSL | hsl(267, 46%, 44%) |
| OKLCH | oklch(46.8% 0.16 301) |
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 #6B3DA4 | 7.42:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #6B3DA4 | 2.82:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #6B3DA4 text on white | 7.42:1 | AAA | Lc 85.3 | Fine for body text |
| #6B3DA4 text on black | 2.82:1 | Fails | Lc -16.7 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F2
oklch(88.5% 0.044 301.7)
-
Step 300
300
#C9B6EB
oklch(81% 0.076 301.1)
-
Step 400
400
#AE8EE1
oklch(70.8% 0.123 301.1)
-
Step 500
500
#9A6FD9
oklch(63.1% 0.158 300.7)
-
Step 600
600
#8654C6
oklch(55.6% 0.172 301.2)
-
Step 700
700 (this color)
#6B3DA4
oklch(46.8% 0.16 301)
-
Step 800
800
#5C398B
oklch(42.8% 0.132 300.6)
-
Step 900
900
#4B326F
oklch(37.7% 0.103 300.5)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#6B3DA4 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) | #0055A7 | 0.122 |
| Deuteranopia (no green cones) | #1955A2 | 0.115 |
| Tritanopia (no blue cones) | #5F536B | 0.120 |
| Achromatopsia (no color) | #555555 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3DA4
#6B3DA4
oklch(46.8% 0.16 301)
- #516300
#516300
oklch(46.8% 0.112 121.2)
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 #6B3DA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Bluey Purple #6241C7 ΔE 0.059
- Blueberry #464196 ΔE 0.068
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
- Grape #7209B7 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.074
- Iris #6258C4 ΔE 0.077
- Blurple #5539CC ΔE 0.077
Use #6B3DA4 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.