#6B4B9E
Closest named color: Rebecca Purple (#663399). oklch(48.7% 0.131 299.3), rgb(107, 75, 158).
Aa
White text reads best on this color (6.71:1).
About this color
#6B4B9E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.131 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.056 away. White text reads best on it, at 6.71:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #6B4B9E |
| RGB | rgb(107, 75, 158) |
| HSL | hsl(263, 36%, 46%) |
| OKLCH | oklch(48.7% 0.131 299.3) |
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 #6B4B9E | 6.71:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #6B4B9E | 3.12:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #6B4B9E text on white | 6.71:1 | AA | Lc 82.9 | Fine for body text |
| #6B4B9E text on black | 3.12:1 | AA large text | Lc -19.0 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EE
oklch(88.4% 0.036 299.7)
-
Step 300
300
#C6B8E4
oklch(80.9% 0.063 299.5)
-
Step 400
400
#A992D7
oklch(70.6% 0.102 299.1)
-
Step 500
500
#9576CC
oklch(63.1% 0.129 299.3)
-
Step 600
600
#805DB9
oklch(55.6% 0.141 299.3)
-
Step 700
700 (this color)
#6B4B9E
oklch(48.7% 0.131 299.3)
-
Step 800
800
#583F81
oklch(42.7% 0.108 299.3)
-
Step 900
900
#483668
oklch(37.7% 0.085 298.9)
-
Step 950
950
#2A203D
oklch(27% 0.054 298.6)
#6B4B9E 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) | #2D5CA1 | 0.090 |
| Deuteranopia (no green cones) | #365B9C | 0.083 |
| Tritanopia (no blue cones) | #605B6D | 0.102 |
| Achromatopsia (no color) | #5C5C5C | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4B9E
#6B4B9E
oklch(48.7% 0.131 299.3)
- #596800
#596800
oklch(48.7% 0.115 119.1)
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 #6B4B9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.056
- Twilight #4E518B ΔE 0.059
- Iris #6258C4 ΔE 0.065
- Light Eggplant #894585 ΔE 0.068
- Blueberry #464196 ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.073
- Dusk #4E5481 ΔE 0.073
- Muted Purple #805B87 ΔE 0.075
Use #6B4B9E 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.