#684B7D
Closest named color: Dusk (#4E5481). oklch(46.5% 0.086 310), rgb(104, 75, 125).
Aa
White text reads best on this color (7.26:1).
About this color
#684B7D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.086 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.046 away. White text reads best on it, at 7.26:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.89:1 |
| White text | 7.26:1 |
Values
| HEX | #684B7D |
| RGB | rgb(104, 75, 125) |
| HSL | hsl(275, 25%, 39%) |
| OKLCH | oklch(46.5% 0.086 310) |
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 #684B7D | 7.26:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #684B7D | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #684B7D text on white | 7.26:1 | AAA | Lc 85.1 | Fine for body text |
| #684B7D text on black | 2.89:1 | Fails | Lc -16.9 | 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 700.
-
Step 50
50
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DED5E5
oklch(88.5% 0.024 310.7)
-
Step 300
300
#C9BAD5
oklch(81% 0.041 310.2)
-
Step 400
400
#AD95C0
oklch(70.6% 0.067 309.9)
-
Step 500
500
#997BB0
oklch(63.1% 0.085 309.9)
-
Step 600
600
#84649C
oklch(55.7% 0.092 309.8)
-
Step 700
700 (this color)
#684B7D
oklch(46.5% 0.086 310)
-
Step 800
800
#5B446C
oklch(42.8% 0.07 310)
-
Step 900
900
#4B3958
oklch(37.7% 0.056 310.4)
-
Step 950
950
#2C2233
oklch(27.1% 0.034 310.9)
#684B7D 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) | #41557F | 0.064 |
| Deuteranopia (no green cones) | #48577C | 0.059 |
| Tritanopia (no blue cones) | #66525E | 0.061 |
| Achromatopsia (no color) | #575757 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684B7D
#684B7D
oklch(46.5% 0.086 310)
- #49632D
#49632D
oklch(46.5% 0.086 130.4)
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 #684B7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.046
- Twilight #4E518B ΔE 0.048
- Dusty Grape #545775 ΔE 0.050
- Light Eggplant #894585 ΔE 0.063
- Muted Purple #805B87 ΔE 0.064
- Dull Purple #84597E ΔE 0.067
- Dusky Blue #475F94 ΔE 0.073
- YInMn Blue #415A77 ΔE 0.073
Use #684B7D 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.