#686BB6
Closest named color: French Blue (#436BAD). oklch(55.9% 0.115 280.2), rgb(104, 107, 182).
Aa
White text reads best on this color (4.80:1).
About this color
#686BB6 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.115 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.050 away. White text reads best on it, at 4.80:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #686BB6 |
| RGB | rgb(104, 107, 182) |
| HSL | hsl(238, 35%, 56%) |
| OKLCH | oklch(55.9% 0.115 280.2) |
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 #686BB6 | 4.80:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #686BB6 | 4.36:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #686BB6 text on white | 4.80:1 | AA | Lc 73.3 | Content text, not long reading |
| #686BB6 text on black | 4.36:1 | AA large text | Lc -28.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7EC
oklch(88.4% 0.029 281.5)
-
Step 300
300
#BABEE2
oklch(81% 0.051 280.2)
-
Step 400
400
#969BD4
oklch(70.7% 0.083 280.1)
-
Step 500
500
#7D82C8
oklch(63.1% 0.105 279.8)
-
Step 600
600 (this color)
#686BB6
oklch(55.9% 0.115 280.2)
-
Step 700
700
#56589C
oklch(49.1% 0.107 280.4)
-
Step 800
800
#46487E
oklch(42.6% 0.089 280.3)
-
Step 900
900
#3B3D65
oklch(37.7% 0.068 280.4)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#686BB6 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) | #5075B9 | 0.037 |
| Deuteranopia (no green cones) | #4B6FB4 | 0.038 |
| Tritanopia (no blue cones) | #4F7A88 | 0.100 |
| Achromatopsia (no color) | #727272 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686BB6
#686BB6
oklch(55.9% 0.115 280.2)
- #847504
#847504
oklch(55.9% 0.115 100.3)
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 #686BB6, closest first.
No curated palette has a color within ΔE 0.04 of #686BB6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.056
- Iris #6258C4 ΔE 0.058
- Windows Blue #3778BF ΔE 0.060
- Slate Blue #6A5ACD ΔE 0.060
- Flat Blue #3C73A8 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.062
- Dark Lavender #856798 ΔE 0.063
Use #686BB6 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.