#6B6ABA
Closest named color: Dark Periwinkle (#665FD1). oklch(56.2% 0.122 282.3), rgb(107, 106, 186).
Aa
White text reads best on this color (4.77:1).
About this color
#6B6ABA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.122 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.049 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #6B6ABA |
| RGB | rgb(107, 106, 186) |
| HSL | hsl(241, 37%, 57%) |
| OKLCH | oklch(56.2% 0.122 282.3) |
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 #6B6ABA | 4.77:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #6B6ABA | 4.39:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #6B6ABA text on white | 4.77:1 | AA | Lc 73.0 | Content text, not long reading |
| #6B6ABA text on black | 4.39:1 | AA large text | Lc -28.7 | 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 600.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BABDE4
oklch(80.9% 0.055 281.6)
-
Step 400
400
#989AD6
oklch(70.7% 0.087 282.4)
-
Step 500
500
#7F80CB
oklch(63% 0.112 282.1)
-
Step 600
600 (this color)
#6B6ABA
oklch(56.2% 0.122 282.3)
-
Step 700
700
#58569F
oklch(49% 0.115 282.6)
-
Step 800
800
#484781
oklch(42.7% 0.095 282.4)
-
Step 900
900
#3C3C67
oklch(37.7% 0.073 282.3)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#6B6ABA 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) | #4D75BD | 0.044 |
| Deuteranopia (no green cones) | #4970B8 | 0.045 |
| Tritanopia (no blue cones) | #537A89 | 0.105 |
| Achromatopsia (no color) | #727272 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B6ABA
#6B6ABA
oklch(56.2% 0.122 282.3)
- #837700
#837700
oklch(56.3% 0.118 102.4)
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 #6B6ABA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.055
- French Blue #436BAD ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.059
- Windows Blue #3778BF ΔE 0.064
- Dark Lavender #856798 ΔE 0.065
Use #6B6ABA 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.