#6F6FBC
Closest named color: Dark Periwinkle (#665FD1). oklch(57.6% 0.117 282.1), rgb(111, 111, 188).
Aa
Black text reads best on this color (4.67:1).
About this color
#6F6FBC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.117 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.059 away. Black text reads best on it, at 4.67:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #6F6FBC |
| RGB | rgb(111, 111, 188) |
| HSL | hsl(240, 36%, 59%) |
| OKLCH | oklch(57.6% 0.117 282.1) |
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 #6F6FBC | 4.49:1 | AA large text | Lc -76.6 | Fine for body text |
| Black text on #6F6FBC | 4.67:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #6F6FBC text on white | 4.49:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #6F6FBC text on black | 4.67:1 | AA | Lc -30.6 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BBBDE2
oklch(80.9% 0.052 282.7)
-
Step 400
400
#989AD4
oklch(70.6% 0.084 282.5)
-
Step 500
500
#7F81C9
oklch(63.1% 0.107 281.6)
-
Step 600
600 (this color)
#6F6FBC
oklch(57.6% 0.117 282.1)
-
Step 700
700
#58579C
oklch(49.1% 0.109 282.3)
-
Step 800
800
#48487F
oklch(42.8% 0.09 281.9)
-
Step 900
900
#3C3C66
oklch(37.7% 0.071 282.4)
-
Step 950
950
#23243C
oklch(27.1% 0.044 281.2)
#6F6FBC 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) | #547ABF | 0.042 |
| Deuteranopia (no green cones) | #5074BA | 0.041 |
| Tritanopia (no blue cones) | #587E8C | 0.101 |
| Achromatopsia (no color) | #777777 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F6FBC
#6F6FBC
oklch(57.6% 0.117 282.1)
- #877B0E
#877B0E
oklch(57.6% 0.117 102.3)
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 #6F6FBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.061
- Dark Lavender #856798 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.064
- French Blue #436BAD ΔE 0.064
- Windows Blue #3778BF ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.064
Use #6F6FBC 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.