#6D6DCE
Closest named color: Dark Periwinkle (#665FD1). oklch(58.1% 0.146 280.9), rgb(109, 109, 206).
Aa
Black text reads best on this color (4.72:1).
About this color
#6D6DCE is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.146 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.038 away. Black text reads best on it, at 4.72:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #6D6DCE |
| RGB | rgb(109, 109, 206) |
| HSL | hsl(240, 50%, 62%) |
| OKLCH | oklch(58.1% 0.146 280.9) |
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 #6D6DCE | 4.44:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #6D6DCE | 4.72:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #6D6DCE text on white | 4.44:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #6D6DCE text on black | 4.72:1 | AA | Lc -31.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B8BCEB
oklch(80.8% 0.066 281)
-
Step 400
400
#9599E1
oklch(70.8% 0.105 280.9)
-
Step 500
500
#7C7ED8
oklch(63.1% 0.134 280.9)
-
Step 600
600 (this color)
#6D6DCE
oklch(58.1% 0.146 280.9)
-
Step 700
700
#5554AB
oklch(49.2% 0.135 280.7)
-
Step 800
800
#45458A
oklch(42.7% 0.112 280.6)
-
Step 900
900
#3A3B6F
oklch(37.8% 0.087 280.5)
-
Step 950
950
#222341
oklch(27.1% 0.055 280.6)
#6D6DCE 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) | #447BD2 | 0.055 |
| Deuteranopia (no green cones) | #3D74CC | 0.057 |
| Tritanopia (no blue cones) | #4B8294 | 0.126 |
| Achromatopsia (no color) | #787878 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D6DCE
#6D6DCE
oklch(58.1% 0.146 280.9)
- #8B7C00
#8B7C00
oklch(58.2% 0.121 100.9)
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 #6D6DCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.055
- Iris #6258C4 ΔE 0.057
- Medium Purple #9370DB ΔE 0.063
- Royal Blue #4169E1 ΔE 0.063
- Cornflower #6A79F7 ΔE 0.065
Use #6D6DCE 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.