#6B6EBD
Closest named color: Dark Periwinkle (#665FD1). oklch(57.2% 0.12 280.2), rgb(107, 110, 189).
Aa
Black text reads best on this color (4.59:1).
About this color
#6B6EBD is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.120 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.054 away. Black text reads best on it, at 4.59:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #6B6EBD |
| RGB | rgb(107, 110, 189) |
| HSL | hsl(238, 38%, 58%) |
| OKLCH | oklch(57.2% 0.12 280.2) |
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 #6B6EBD | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #6B6EBD | 4.59:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #6B6EBD text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #6B6EBD text on black | 4.59:1 | AA | Lc -30.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#B9BDE4
oklch(80.8% 0.055 280.5)
-
Step 400
400
#969BD6
oklch(70.8% 0.086 280.2)
-
Step 500
500
#7D81CB
oklch(63.1% 0.111 280.4)
-
Step 600
600 (this color)
#6B6EBD
oklch(57.2% 0.12 280.2)
-
Step 700
700
#55579E
oklch(48.9% 0.112 280.2)
-
Step 800
800
#464880
oklch(42.7% 0.092 280.2)
-
Step 900
900
#3A3D67
oklch(37.8% 0.071 279.3)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#6B6EBD 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) | #5179C0 | 0.040 |
| Deuteranopia (no green cones) | #4C73BB | 0.040 |
| Tritanopia (no blue cones) | #517E8C | 0.105 |
| Achromatopsia (no color) | #757575 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B6EBD
#6B6EBD
oklch(57.2% 0.12 280.2)
- #887900
#887900
oklch(57.2% 0.119 100.7)
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 #6B6EBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.054
- French Blue #436BAD ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.059
- Windows Blue #3778BF ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Iris #6258C4 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.063
- Dark Lavender #856798 ΔE 0.067
Use #6B6EBD 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.