#6C6BB7
Closest named color: Dark Periwinkle (#665FD1). oklch(56.3% 0.116 282.6), rgb(108, 107, 183).
Aa
White text reads best on this color (4.74:1).
About this color
#6C6BB7 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.116 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.055 away. White text reads best on it, at 4.74:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #6C6BB7 |
| RGB | rgb(108, 107, 183) |
| HSL | hsl(241, 35%, 57%) |
| OKLCH | oklch(56.3% 0.116 282.6) |
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 #6C6BB7 | 4.74:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #6C6BB7 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #6C6BB7 text on white | 4.74:1 | AA | Lc 72.8 | Content text, not long reading |
| #6C6BB7 text on black | 4.42:1 | AA large text | Lc -28.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BBBDE2
oklch(80.9% 0.052 282.7)
-
Step 400
400
#989AD4
oklch(70.6% 0.084 282.5)
-
Step 500
500
#8081C8
oklch(63.2% 0.106 282.3)
-
Step 600
600 (this color)
#6C6BB7
oklch(56.3% 0.116 282.6)
-
Step 700
700
#59579C
oklch(49.1% 0.109 283)
-
Step 800
800
#48477E
oklch(42.6% 0.09 282.7)
-
Step 900
900
#3C3C65
oklch(37.6% 0.069 282.5)
-
Step 950
950
#23233B
oklch(26.8% 0.044 283)
#6C6BB7 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) | #5076BA | 0.043 |
| Deuteranopia (no green cones) | #4D70B5 | 0.041 |
| Tritanopia (no blue cones) | #567A88 | 0.100 |
| Achromatopsia (no color) | #737373 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C6BB7
#6C6BB7
oklch(56.3% 0.116 282.6)
- #837708
#837708
oklch(56.3% 0.116 102.2)
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 #6C6BB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.055
- French Blue #436BAD ΔE 0.056
- Iris #6258C4 ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.059
- Dark Lavender #856798 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Windows Blue #3778BF ΔE 0.064
Use #6C6BB7 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.