#6D6BDB
Closest named color: Dark Periwinkle (#665FD1). oklch(58.6% 0.166 280.7), rgb(109, 107, 219).
Aa
Black text reads best on this color (4.77:1).
About this color
#6D6BDB is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.166 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.034 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #6D6BDB |
| RGB | rgb(109, 107, 219) |
| HSL | hsl(241, 61%, 64%) |
| OKLCH | oklch(58.6% 0.166 280.7) |
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 #6D6BDB | 4.39:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #6D6BDB | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #6D6BDB text on white | 4.39:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #6D6BDB text on black | 4.77:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F9
oklch(93.7% 0.022 280.3)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B7BCF1
oklch(81% 0.075 280.4)
-
Step 400
400
#9397EA
oklch(70.7% 0.121 280.7)
-
Step 500
500
#7A7BE3
oklch(63% 0.154 280.6)
-
Step 600
600 (this color)
#6D6BDB
oklch(58.6% 0.166 280.7)
-
Step 700
700
#5450B5
oklch(49.1% 0.155 280.8)
-
Step 800
800
#454292
oklch(42.7% 0.128 281.2)
-
Step 900
900
#393975
oklch(37.7% 0.1 280.5)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#6D6BDB 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) | #337DDF | 0.070 |
| Deuteranopia (no green cones) | #2874D9 | 0.071 |
| Tritanopia (no blue cones) | #428499 | 0.144 |
| Achromatopsia (no color) | #787878 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D6BDB
#6D6BDB
oklch(58.6% 0.166 280.7)
- #8C7D00
#8C7D00
oklch(58.5% 0.122 101)
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 #6D6BDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.034
- Medium Slate Blue #7B68EE ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.045
- Cornflower #6A79F7 ΔE 0.051
- Royal Blue #4169E1 ΔE 0.056
- Iris #6258C4 ΔE 0.059
- Purpley #8756E4 ΔE 0.061
Use #6D6BDB 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.