#6B4B9D
Closest named color: Rebecca Purple (#663399). oklch(48.6% 0.129 299.6), rgb(107, 75, 157).
Aa
White text reads best on this color (6.73:1).
About this color
#6B4B9D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.129 and its hue 300°. 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 6.73:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #6B4B9D |
| RGB | rgb(107, 75, 157) |
| HSL | hsl(263, 35%, 45%) |
| OKLCH | oklch(48.6% 0.129 299.6) |
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 #6B4B9D | 6.73:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #6B4B9D | 3.11:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #6B4B9D text on white | 6.73:1 | AA | Lc 83.0 | Fine for body text |
| #6B4B9D text on black | 3.11:1 | 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
#DCD4ED
oklch(88.4% 0.035 300.3)
-
Step 300
300
#C6B8E4
oklch(80.9% 0.063 299.5)
-
Step 400
400
#AA92D6
oklch(70.7% 0.1 300.1)
-
Step 500
500
#9576CB
oklch(63% 0.128 299.5)
-
Step 600
600
#805DB8
oklch(55.5% 0.14 299.6)
-
Step 700
700 (this color)
#6B4B9D
oklch(48.6% 0.129 299.6)
-
Step 800
800
#583F80
oklch(42.6% 0.107 299.6)
-
Step 900
900
#483667
oklch(37.6% 0.083 299.3)
-
Step 950
950
#2A203C
oklch(26.9% 0.052 299.3)
#6B4B9D 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) | #2E5BA0 | 0.089 |
| Deuteranopia (no green cones) | #375B9B | 0.082 |
| Tritanopia (no blue cones) | #615B6D | 0.100 |
| Achromatopsia (no color) | #5C5C5C | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4B9D
#6B4B9D
oklch(48.6% 0.129 299.6)
- #586800
#586800
oklch(48.7% 0.115 119.7)
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 #6B4B9D, 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 0.058
- Iris #6258C4 ΔE 0.067
- Light Eggplant #894585 ΔE 0.067
- Blueberry #464196 ΔE 0.071
- Dusk #4E5481 ΔE 0.072
- Muted Purple #805B87 ΔE 0.074
- Bluey Purple #6241C7 ΔE 0.074
Use #6B4B9D 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.