#6D3F97
Closest named color: Rebecca Purple (#663399). oklch(46.5% 0.142 305.7), rgb(109, 63, 151).
Aa
White text reads best on this color (7.47:1).
About this color
#6D3F97 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.142 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 0.031 away. White text reads best on it, at 7.47:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #6D3F97 |
| RGB | rgb(109, 63, 151) |
| HSL | hsl(271, 41%, 42%) |
| OKLCH | oklch(46.5% 0.142 305.7) |
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 #6D3F97 | 7.47:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #6D3F97 | 2.80:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #6D3F97 text on white | 7.47:1 | AAA | Lc 85.6 | Fine for body text |
| #6D3F97 text on black | 2.80:1 | 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
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EE
oklch(88.5% 0.039 305.6)
-
Step 300
300
#CBB6E4
oklch(80.9% 0.068 305.6)
-
Step 400
400
#B18ED7
oklch(70.6% 0.11 305.7)
-
Step 500
500
#9E71CC
oklch(63.1% 0.14 305.6)
-
Step 600
600
#8957B9
oklch(55.5% 0.153 305.6)
-
Step 700
700 (this color)
#6D3F97
oklch(46.5% 0.142 305.7)
-
Step 800
800
#5F3B81
oklch(42.8% 0.117 305.8)
-
Step 900
900
#4E3368
oklch(37.8% 0.092 306)
-
Step 950
950
#2D1E3D
oklch(26.9% 0.059 305.1)
#6D3F97 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) | #1D539A | 0.114 |
| Deuteranopia (no green cones) | #2F5595 | 0.103 |
| Tritanopia (no blue cones) | #665065 | 0.103 |
| Achromatopsia (no color) | #555555 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3F97
#6D3F97
oklch(46.5% 0.142 305.7)
- #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 #6D3F97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Light Eggplant #894585 ΔE 0.067
- Blueberry #464196 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.070
- Twilight #4E518B ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.080
- Warm Purple #952E8F ΔE 0.081
- Dusk #4E5481 ΔE 0.085
Use #6D3F97 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.