#6F6BC5
Closest named color: Dark Periwinkle (#665FD1). oklch(57.3% 0.136 283.3), rgb(111, 107, 197).
Aa
Black text reads best on this color (4.58:1).
About this color
#6F6BC5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.136 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.041 away. Black text reads best on it, at 4.58:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #6F6BC5 |
| RGB | rgb(111, 107, 197) |
| HSL | hsl(243, 44%, 60%) |
| OKLCH | oklch(57.3% 0.136 283.3) |
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 #6F6BC5 | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #6F6BC5 | 4.58:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #6F6BC5 text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #6F6BC5 text on black | 4.58:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#BBBCE8
oklch(80.9% 0.062 283.9)
-
Step 400
400
#9899DC
oklch(70.8% 0.097 283)
-
Step 500
500
#807ED2
oklch(63.1% 0.125 283.3)
-
Step 600
600 (this color)
#6F6BC5
oklch(57.3% 0.136 283.3)
-
Step 700
700
#5954A5
oklch(49.1% 0.126 283.5)
-
Step 800
800
#484586
oklch(42.7% 0.105 283.1)
-
Step 900
900
#3C3B6B
oklch(37.7% 0.081 282.8)
-
Step 950
950
#23233F
oklch(27.1% 0.051 282.4)
#6F6BC5 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) | #4878C8 | 0.054 |
| Deuteranopia (no green cones) | #4473C3 | 0.055 |
| Tritanopia (no blue cones) | #547D8E | 0.116 |
| Achromatopsia (no color) | #757575 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F6BC5
#6F6BC5
oklch(57.3% 0.136 283.3)
- #867B00
#867B00
oklch(57.5% 0.121 103.3)
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 #6F6BC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.047
- Iris #6258C4 ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.065
- Medium Slate Blue #7B68EE ΔE 0.066
- Medium Purple #9370DB ΔE 0.067
Use #6F6BC5 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.