#6D6FCE
Closest named color: Dark Periwinkle (#665FD1). oklch(58.5% 0.143 280.1), rgb(109, 111, 206).
Aa
Black text reads best on this color (4.81:1).
About this color
#6D6FCE is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.143 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.043 away. Black text reads best on it, at 4.81:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.81:1 |
| White text | 4.36:1 |
Values
| HEX | #6D6FCE |
| RGB | rgb(109, 111, 206) |
| HSL | hsl(239, 50%, 62%) |
| OKLCH | oklch(58.5% 0.143 280.1) |
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 #6D6FCE | 4.36:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #6D6FCE | 4.81:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #6D6FCE text on white | 4.36:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #6D6FCE text on black | 4.81:1 | AA | Lc -31.6 | 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
#B8BDEA
oklch(81% 0.064 279.9)
-
Step 400
400
#9499E0
oklch(70.7% 0.104 280.3)
-
Step 500
500
#7B7FD7
oklch(63.2% 0.131 280)
-
Step 600
600 (this color)
#6D6FCE
oklch(58.5% 0.143 280.1)
-
Step 700
700
#5454AA
oklch(49% 0.134 280.2)
-
Step 800
800
#454589
oklch(42.6% 0.11 280.7)
-
Step 900
900
#393B6E
oklch(37.7% 0.086 279.7)
-
Step 950
950
#212340
oklch(27% 0.054 279.2)
#6D6FCE 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) | #487DD2 | 0.052 |
| Deuteranopia (no green cones) | #4175CC | 0.052 |
| Tritanopia (no blue cones) | #4B8394 | 0.125 |
| Achromatopsia (no color) | #797979 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D6FCE
#6D6FCE
oklch(58.5% 0.143 280.1)
- #8D7D00
#8D7D00
oklch(58.6% 0.122 100.3)
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 #6D6FCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.057
- Iris #6258C4 ΔE 0.062
- Medium Purple #9370DB ΔE 0.062
- Cornflower #6A79F7 ΔE 0.063
- Royal Blue #4169E1 ΔE 0.065
Use #6D6FCE 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.