#686ABB
Closest named color: Dark Periwinkle (#665FD1). oklch(56% 0.124 280.5), rgb(104, 106, 187).
Aa
White text reads best on this color (4.80:1).
About this color
#686ABB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.124 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.047 away. White text reads best on it, at 4.80:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #686ABB |
| RGB | rgb(104, 106, 187) |
| HSL | hsl(239, 38%, 57%) |
| OKLCH | oklch(56% 0.124 280.5) |
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 #686ABB | 4.80:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #686ABB | 4.36:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #686ABB text on white | 4.80:1 | AA | Lc 73.2 | Content text, not long reading |
| #686ABB text on black | 4.36:1 | AA large text | Lc -28.5 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#B9BDE5
oklch(80.9% 0.056 280.6)
-
Step 400
400
#969AD7
oklch(70.6% 0.089 281)
-
Step 500
500
#7D81CD
oklch(63.2% 0.114 280.3)
-
Step 600
600 (this color)
#686ABB
oklch(56% 0.124 280.5)
-
Step 700
700
#5657A0
oklch(49.1% 0.115 280.7)
-
Step 800
800
#464782
oklch(42.6% 0.096 280.8)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#22233D
oklch(26.9% 0.048 281)
#686ABB 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) | #4B75BE | 0.043 |
| Deuteranopia (no green cones) | #466FB9 | 0.043 |
| Tritanopia (no blue cones) | #4D7B89 | 0.109 |
| Achromatopsia (no color) | #727272 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686ABB
#686ABB
oklch(56% 0.124 280.5)
- #847500
#847500
oklch(55.9% 0.116 100.4)
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 #686ABB, closest first.
No curated palette has a color within ΔE 0.04 of #686ABB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.047
- Iris #6258C4 ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.052
- French Blue #436BAD ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.054
- Windows Blue #3778BF ΔE 0.061
- Deep Lavender #8D5EB7 ΔE 0.063
- Flat Blue #3C73A8 ΔE 0.067
Use #686ABB 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.