#6D3F8B
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.127 310.3), rgb(109, 63, 139).
Aa
White text reads best on this color (7.68:1).
About this color
#6D3F8B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.127 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 7.68:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #6D3F8B |
| RGB | rgb(109, 63, 139) |
| HSL | hsl(276, 38%, 40%) |
| OKLCH | oklch(45.7% 0.127 310.3) |
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 #6D3F8B | 7.68:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #6D3F8B | 2.73:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #6D3F8B text on white | 7.68:1 | AAA | Lc 86.4 | Fine for body text |
| #6D3F8B text on black | 2.73:1 | Fails | Lc -15.7 | 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 800.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E2D2EE
oklch(88.5% 0.042 310.9)
-
Step 300
300
#D0B4E5
oklch(81% 0.074 310.5)
-
Step 400
400
#B88BD8
oklch(70.8% 0.119 310.4)
-
Step 500
500
#A66CCD
oklch(63.2% 0.152 310.3)
-
Step 600
600
#9151BA
oklch(55.6% 0.166 310.2)
-
Step 700
700
#7B41A0
oklch(49% 0.154 310.1)
-
Step 800
800 (this color)
#6D3F8B
oklch(45.7% 0.127 310.3)
-
Step 900
900
#523068
oklch(37.7% 0.099 310.5)
-
Step 950
950
#301D3D
oklch(27.1% 0.062 310.2)
#6D3F8B 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) | #2A518E | 0.105 |
| Deuteranopia (no green cones) | #385489 | 0.095 |
| Tritanopia (no blue cones) | #694C5F | 0.088 |
| Achromatopsia (no color) | #535353 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3F8B
#6D3F8B
oklch(45.7% 0.127 310.3)
- #3F6400
#3F6400
oklch(45.8% 0.124 130.3)
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 #6D3F8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Light Eggplant #894585 ΔE 0.059
- Twilight #4E518B ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.068
- Blueberry #464196 ΔE 0.071
- Dusk #4E5481 ΔE 0.077
- Warm Purple #952E8F ΔE 0.081
- Muted Purple #805B87 ΔE 0.086
Use #6D3F8B 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.