#684DF6
Closest named color: Purpley Blue (#5F34E7). oklch(55.4% 0.238 282.6), rgb(104, 77, 246).
Aa
White text reads best on this color (5.27:1).
About this color
#684DF6 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.238 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley Blue (#5F34E7), ΔE 0.053 away. White text reads best on it, at 5.27:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.238) |
| Temperature | cool |
| Nearest name | Purpley Blue (#5F34E7) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #684DF6 |
| RGB | rgb(104, 77, 246) |
| HSL | hsl(250, 90%, 63%) |
| OKLCH | oklch(55.4% 0.238 282.6) |
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 #684DF6 | 5.27:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #684DF6 | 3.98:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #684DF6 text on white | 5.27:1 | AA | Lc 75.5 | Fine for body text |
| #684DF6 text on black | 3.98:1 | AA large text | Lc -26.3 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B7B9FF
oklch(80.9% 0.098 282.7)
-
Step 400
400
#9491FF
oklch(70.7% 0.158 282.8)
-
Step 500
500
#7C70FF
oklch(63.1% 0.205 282.6)
-
Step 600
600 (this color)
#684DF6
oklch(55.4% 0.238 282.6)
-
Step 700
700
#583CD7
oklch(49.1% 0.222 282.8)
-
Step 800
800
#4734AE
oklch(42.7% 0.184 282.4)
-
Step 900
900
#3B3089
oklch(37.8% 0.142 282.8)
-
Step 950
950
#221D50
oklch(27% 0.09 283)
#684DF6 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) | #0071FB | 0.100 |
| Deuteranopia (no green cones) | #0066F3 | 0.092 |
| Tritanopia (no blue cones) | #0B7A9C | 0.201 |
| Achromatopsia (no color) | #6C6C6C | 0.239 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684DF6
#684DF6
oklch(55.4% 0.238 282.6)
- #807500
#807500
oklch(55.5% 0.117 103)
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 #684DF6, closest first.
No curated palette has a color within ΔE 0.04 of #684DF6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Blue #5F34E7 ΔE 0.053
- Burple #6832E3 ΔE 0.055
- Neon Blue #4361EE ΔE 0.059
- Warm Blue #4B57DB ΔE 0.059
- Purpley #8756E4 ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.067
- Medium Slate Blue #7B68EE ΔE 0.068
- Dark Periwinkle #665FD1 ΔE 0.068
Use #684DF6 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.