#6F6BC4
Closest named color: Dark Periwinkle (#665FD1). oklch(57.3% 0.134 283.3), rgb(111, 107, 196).
Aa
White text reads best on this color (4.58:1).
About this color
#6F6BC4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.134 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.042 away. White text reads best on it, at 4.58:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.57:1 |
| White text | 4.58:1 |
Values
| HEX | #6F6BC4 |
| RGB | rgb(111, 107, 196) |
| HSL | hsl(243, 43%, 59%) |
| OKLCH | oklch(57.3% 0.134 283.3) |
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 #6F6BC4 | 4.58:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #6F6BC4 | 4.57:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #6F6BC4 text on white | 4.58:1 | AA | Lc 71.7 | Content text, not long reading |
| #6F6BC4 text on black | 4.57:1 | AA | Lc -29.9 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BBBCE7
oklch(80.9% 0.06 283.9)
-
Step 400
400
#9899DB
oklch(70.7% 0.096 283)
-
Step 500
500
#807ED1
oklch(63.1% 0.123 283.4)
-
Step 600
600 (this color)
#6F6BC4
oklch(57.3% 0.134 283.3)
-
Step 700
700
#5954A4
oklch(49% 0.125 283.6)
-
Step 800
800
#484585
oklch(42.6% 0.104 283.2)
-
Step 900
900
#3C3B6B
oklch(37.7% 0.081 282.8)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#6F6BC4 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) | #4978C7 | 0.054 |
| Deuteranopia (no green cones) | #4572C2 | 0.054 |
| Tritanopia (no blue cones) | #547D8E | 0.115 |
| Achromatopsia (no color) | #757575 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F6BC4
#6F6BC4
oklch(57.3% 0.134 283.3)
- #857A00
#857A00
oklch(57.1% 0.12 103.2)
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 #6F6BC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.048
- Iris #6258C4 ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.064
- Medium Slate Blue #7B68EE ΔE 0.068
- Medium Purple #9370DB ΔE 0.068
Use #6F6BC4 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.