#684FF6
Closest named color: Purpley Blue (#5F34E7). oklch(55.7% 0.236 282.4), rgb(104, 79, 246).
Aa
White text reads best on this color (5.20:1).
About this color
#684FF6 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.236 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley Blue (#5F34E7), ΔE 0.056 away. White text reads best on it, at 5.20:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.236) |
| Temperature | cool |
| Nearest name | Purpley Blue (#5F34E7) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #684FF6 |
| RGB | rgb(104, 79, 246) |
| HSL | hsl(249, 90%, 64%) |
| OKLCH | oklch(55.7% 0.236 282.4) |
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 #684FF6 | 5.20:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #684FF6 | 4.03:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #684FF6 text on white | 5.20:1 | AA | Lc 75.1 | Fine for body text |
| #684FF6 text on black | 4.03:1 | AA large text | Lc -26.7 | 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
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9391FF
oklch(70.6% 0.158 282.4)
-
Step 500
500
#7C70FF
oklch(63.1% 0.205 282.6)
-
Step 600
600 (this color)
#684FF6
oklch(55.7% 0.236 282.4)
-
Step 700
700
#573DD6
oklch(49% 0.22 282.4)
-
Step 800
800
#4734AD
oklch(42.7% 0.182 282.6)
-
Step 900
900
#3A3089
oklch(37.7% 0.142 282.2)
-
Step 950
950
#221D50
oklch(27% 0.09 283)
#684FF6 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) | #0072FB | 0.099 |
| Deuteranopia (no green cones) | #0067F3 | 0.091 |
| Tritanopia (no blue cones) | #0A7B9C | 0.200 |
| Achromatopsia (no color) | #6D6D6D | 0.237 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684FF6
#684FF6
oklch(55.7% 0.236 282.4)
- #817500
#817500
oklch(55.6% 0.117 102.3)
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 #684FF6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Blue #5F34E7 ΔE 0.056
- Neon Blue #4361EE ΔE 0.057
- Burple #6832E3 ΔE 0.058
- Warm Blue #4B57DB ΔE 0.058
- Purpley #8756E4 ΔE 0.062
- Medium Slate Blue #7B68EE ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.066
Use #684FF6 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.