#686FF9
Closest named color: Cornflower (#6A79F7). oklch(61% 0.202 276.4), rgb(104, 111, 249).
Aa
Black text reads best on this color (5.23:1).
About this color
#686FF9 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.202 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.025 away. Black text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #686FF9 |
| RGB | rgb(104, 111, 249) |
| HSL | hsl(237, 92%, 69%) |
| OKLCH | oklch(61% 0.202 276.4) |
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 #686FF9 | 4.01:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #686FF9 | 5.23:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #686FF9 text on white | 4.01:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #686FF9 text on black | 5.23:1 | AA | Lc -34.6 | 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
#E4E9FE
oklch(93.7% 0.029 275.2)
-
Step 200
200
#CFD7FE
oklch(88.6% 0.054 276.1)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8895FF
oklch(70.6% 0.155 276.4)
-
Step 500
500 (this color)
#686FF9
oklch(61% 0.202 276.4)
-
Step 600
600
#5959F0
oklch(55.6% 0.22 276.5)
-
Step 700
700
#4A48D1
oklch(49.2% 0.204 276.5)
-
Step 800
800
#3C3CA9
oklch(42.7% 0.17 276.5)
-
Step 900
900
#323585
oklch(37.6% 0.131 276.4)
-
Step 950
950
#1D204E
oklch(27% 0.083 276.5)
#686FF9 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) | #0085FE | 0.078 |
| Deuteranopia (no green cones) | #0079F6 | 0.073 |
| Tritanopia (no blue cones) | #0090A9 | 0.177 |
| Achromatopsia (no color) | #7F7F7F | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686FF9
#686FF9
oklch(61% 0.202 276.4)
- #998200
#998200
oklch(61% 0.126 96.6)
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 #686FF9, closest first.
No curated palette has a color within ΔE 0.04 of #686FF9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.025
- Medium Slate Blue #7B68EE ΔE 0.033
- Neon Blue #4361EE ΔE 0.062
- Clear Blue #247AFD ΔE 0.062
- Royal Blue #4169E1 ΔE 0.063
- Soft Blue #6488EA ΔE 0.068
- Dark Periwinkle #665FD1 ΔE 0.069
- Purpley #8756E4 ΔE 0.073
Use #686FF9 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.