#6656EF
Closest named color: Neon Blue (#4361EE). oklch(56% 0.22 281.3), rgb(102, 86, 239).
Aa
White text reads best on this color (5.06:1).
About this color
#6656EF is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.220 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.047 away. White text reads best on it, at 5.06:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.220) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #6656EF |
| RGB | rgb(102, 86, 239) |
| HSL | hsl(246, 83%, 64%) |
| OKLCH | oklch(56% 0.22 281.3) |
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 #6656EF | 5.06:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #6656EF | 4.14:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #6656EF text on white | 5.06:1 | AA | Lc 74.4 | Content text, not long reading |
| #6656EF text on black | 4.14:1 | AA large text | Lc -27.3 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D2D6FE
oklch(88.6% 0.055 280.7)
-
Step 300
300
#B5B9FF
oklch(80.8% 0.099 281.4)
-
Step 400
400
#9192FF
oklch(70.7% 0.157 281.2)
-
Step 500
500
#7972FE
oklch(63.1% 0.202 281.2)
-
Step 600
600 (this color)
#6656EF
oklch(56% 0.22 281.3)
-
Step 700
700
#5543CF
oklch(49.1% 0.205 281.5)
-
Step 800
800
#4539A7
oklch(42.7% 0.169 281.4)
-
Step 900
900
#393384
oklch(37.7% 0.131 281.4)
-
Step 950
950
#211F4E
oklch(27.1% 0.084 281.1)
#6656EF 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) | #0074F4 | 0.092 |
| Deuteranopia (no green cones) | #0069EC | 0.085 |
| Tritanopia (no blue cones) | #107D9B | 0.188 |
| Achromatopsia (no color) | #6E6E6E | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6656EF
#6656EF
oklch(56% 0.22 281.3)
- #837600
#837600
oklch(56% 0.117 101.7)
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 #6656EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.047
- Warm Blue #4B57DB ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.054
- Purpley #8756E4 ΔE 0.057
- Royal Blue #4169E1 ΔE 0.062
Use #6656EF 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.