#6F6BBB
Closest named color: Dark Periwinkle (#665FD1). oklch(56.8% 0.121 284.1), rgb(111, 107, 187).
Aa
White text reads best on this color (4.67:1).
About this color
#6F6BBB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.121 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.052 away. White text reads best on it, at 4.67:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #6F6BBB |
| RGB | rgb(111, 107, 187) |
| HSL | hsl(243, 37%, 58%) |
| OKLCH | oklch(56.8% 0.121 284.1) |
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 #6F6BBB | 4.67:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #6F6BBB | 4.49:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #6F6BBB text on white | 4.67:1 | AA | Lc 72.3 | Content text, not long reading |
| #6F6BBB text on black | 4.49:1 | AA large text | Lc -29.4 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BCBDE3
oklch(81% 0.053 284)
-
Step 400
400
#9A99D6
oklch(70.7% 0.089 284.6)
-
Step 500
500
#827FCA
oklch(63% 0.111 284.5)
-
Step 600
600 (this color)
#6F6BBB
oklch(56.8% 0.121 284.1)
-
Step 700
700
#5A569E
oklch(49.1% 0.113 284)
-
Step 800
800
#4A4680
oklch(42.6% 0.094 284.8)
-
Step 900
900
#3D3C67
oklch(37.8% 0.073 283.4)
-
Step 950
950
#24233C
oklch(27% 0.046 284.7)
#6F6BBB 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) | #4E77BE | 0.049 |
| Deuteranopia (no green cones) | #4C72B9 | 0.047 |
| Tritanopia (no blue cones) | #597B8A | 0.104 |
| Achromatopsia (no color) | #747474 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F6BBB
#6F6BBB
oklch(56.8% 0.121 284.1)
- #837900
#837900
oklch(56.7% 0.12 103.8)
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 #6F6BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.056
- Iris #6258C4 ΔE 0.058
- Dark Lavender #856798 ΔE 0.062
- French Blue #436BAD ΔE 0.062
- Deep Lilac #966EBD ΔE 0.064
Use #6F6BBB 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.