#6B4291
Closest named color: Rebecca Purple (#663399). oklch(46.3% 0.129 306), rgb(107, 66, 145).
Aa
White text reads best on this color (7.46:1).
About this color
#6B4291 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.129 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 7.46:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #6B4291 |
| RGB | rgb(107, 66, 145) |
| HSL | hsl(271, 37%, 41%) |
| OKLCH | oklch(46.3% 0.129 306) |
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 #6B4291 | 7.46:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #6B4291 | 2.81:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #6B4291 text on white | 7.46:1 | AAA | Lc 85.7 | Fine for body text |
| #6B4291 text on black | 2.81:1 | Fails | Lc -16.4 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DFD4EC
oklch(88.6% 0.035 306.3)
-
Step 300
300
#CAB7E1
oklch(80.9% 0.062 305.6)
-
Step 400
400
#B090D2
oklch(70.7% 0.1 306.2)
-
Step 500
500
#9D74C6
oklch(63.2% 0.127 306.1)
-
Step 600
600
#885BB3
oklch(55.7% 0.138 306)
-
Step 700
700 (this color)
#6B4291
oklch(46.3% 0.129 306)
-
Step 800
800
#5E3D7D
oklch(42.8% 0.108 306.2)
-
Step 900
900
#4D3564
oklch(37.8% 0.082 306.4)
-
Step 950
950
#2D1F3B
oklch(27% 0.054 306.2)
#6B4291 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) | #295494 | 0.100 |
| Deuteranopia (no green cones) | #36558F | 0.090 |
| Tritanopia (no blue cones) | #655063 | 0.093 |
| Achromatopsia (no color) | #555555 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4291
#6B4291
oklch(46.3% 0.129 306)
- #496400
#496400
oklch(46.4% 0.118 125.8)
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 #6B4291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Twilight #4E518B ΔE 0.061
- Light Eggplant #894585 ΔE 0.063
- Blueberry #464196 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.066
- Dusk #4E5481 ΔE 0.073
- Muted Purple #805B87 ΔE 0.084
- Warm Purple #952E8F ΔE 0.085
Use #6B4291 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.