#686AFD
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.5% 0.214 277.3), rgb(104, 106, 253).
Aa
Black text reads best on this color (5.06:1).
About this color
#686AFD is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.214 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.035 away. Black text reads best on it, at 5.06:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #686AFD |
| RGB | rgb(104, 106, 253) |
| HSL | hsl(239, 97%, 70%) |
| OKLCH | oklch(60.5% 0.214 277.3) |
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 #686AFD | 4.14:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #686AFD | 5.06:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #686AFD text on white | 4.14:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #686AFD text on black | 5.06:1 | AA | Lc -33.6 | 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 500.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CFD6FF
oklch(88.4% 0.057 277.5)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500 (this color)
#686AFD
oklch(60.5% 0.214 277.3)
-
Step 600
600
#5B55F6
oklch(55.6% 0.232 277.4)
-
Step 700
700
#4B43D6
oklch(49% 0.216 277.2)
-
Step 800
800
#3D39AD
oklch(42.7% 0.179 277.2)
-
Step 900
900
#333389
oklch(37.7% 0.14 277.3)
-
Step 950
950
#1D1F50
oklch(26.9% 0.088 277)
#686AFD 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) | #0083FF | 0.082 |
| Deuteranopia (no green cones) | #0076FA | 0.074 |
| Tritanopia (no blue cones) | #008DA9 | 0.183 |
| Achromatopsia (no color) | #7D7D7D | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686AFD
#686AFD
oklch(60.5% 0.214 277.3)
- #968100
#968100
oklch(60.4% 0.125 97.7)
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 #686AFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.035
- Cornflower #6A79F7 ΔE 0.037
- Neon Blue #4361EE ΔE 0.058
- Royal Blue #4169E1 ΔE 0.064
- Clear Blue #247AFD ΔE 0.066
- Purpley #8756E4 ΔE 0.070
- Dark Periwinkle #665FD1 ΔE 0.070
- Light Indigo #6D5ACF ΔE 0.076
Use #686AFD 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.