#6B68B6
Closest named color: Dark Periwinkle (#665FD1). oklch(55.6% 0.119 283.6), rgb(107, 104, 182).
Aa
White text reads best on this color (4.90:1).
About this color
#6B68B6 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.119 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.052 away. White text reads best on it, at 4.90:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #6B68B6 |
| RGB | rgb(107, 104, 182) |
| HSL | hsl(242, 35%, 56%) |
| OKLCH | oklch(55.6% 0.119 283.6) |
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 #6B68B6 | 4.90:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #6B68B6 | 4.28:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #6B68B6 text on white | 4.90:1 | AA | Lc 73.9 | Content text, not long reading |
| #6B68B6 text on black | 4.28:1 | AA large text | Lc -27.8 | 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 600.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BBBDE3
oklch(80.9% 0.053 282.8)
-
Step 400
400
#999AD5
oklch(70.7% 0.086 283.2)
-
Step 500
500
#8180C9
oklch(63.1% 0.109 283.5)
-
Step 600
600 (this color)
#6B68B6
oklch(55.6% 0.119 283.6)
-
Step 700
700
#59569D
oklch(49% 0.111 283.4)
-
Step 800
800
#49477F
oklch(42.7% 0.091 283.4)
-
Step 900
900
#3D3C66
oklch(37.7% 0.071 283.5)
-
Step 950
950
#24233C
oklch(27% 0.046 284.7)
#6B68B6 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) | #4C73B9 | 0.046 |
| Deuteranopia (no green cones) | #496EB4 | 0.046 |
| Tritanopia (no blue cones) | #557886 | 0.103 |
| Achromatopsia (no color) | #717171 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B68B6
#6B68B6
oklch(55.6% 0.119 283.6)
- #807500
#807500
oklch(55.5% 0.117 103)
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 #6B68B6, closest first.
No curated palette has a color within ΔE 0.04 of #6B68B6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.052
- Iris #6258C4 ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.054
- French Blue #436BAD ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.058
- Dark Lavender #856798 ΔE 0.061
- Windows Blue #3778BF ΔE 0.067
Use #6B68B6 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.