#684D7C
Closest named color: Dusk (#4E5481). oklch(46.8% 0.08 309.9), rgb(104, 77, 124).
Aa
White text reads best on this color (7.13:1).
About this color
#684D7C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.080 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.044 away. White text reads best on it, at 7.13:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #684D7C |
| RGB | rgb(104, 77, 124) |
| HSL | hsl(274, 23%, 39%) |
| OKLCH | oklch(46.8% 0.08 309.9) |
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 #684D7C | 7.13:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #684D7C | 2.94:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #684D7C text on white | 7.13:1 | AAA | Lc 84.7 | Fine for body text |
| #684D7C text on black | 2.94:1 | Fails | Lc -17.3 | 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 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
#DDD5E4
oklch(88.4% 0.022 309.5)
-
Step 300
300
#C8BAD4
oklch(80.9% 0.039 309.5)
-
Step 400
400
#AC96BE
oklch(70.6% 0.062 309.6)
-
Step 500
500
#987CAE
oklch(63.1% 0.08 309.7)
-
Step 600
600
#836599
oklch(55.7% 0.086 310.2)
-
Step 700
700 (this color)
#684D7C
oklch(46.8% 0.08 309.9)
-
Step 800
800
#5A446A
oklch(42.6% 0.067 310.2)
-
Step 900
900
#4A3A56
oklch(37.7% 0.051 310.1)
-
Step 950
950
#2B2233
oklch(27% 0.033 308.4)
#684D7C 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) | #44577E | 0.060 |
| Deuteranopia (no green cones) | #4A587B | 0.055 |
| Tritanopia (no blue cones) | #66545F | 0.058 |
| Achromatopsia (no color) | #585858 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684D7C
#684D7C
oklch(46.8% 0.08 309.9)
- #4B6331
#4B6331
oklch(46.7% 0.08 130.1)
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 #684D7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.044
- Dusty Grape #545775 ΔE 0.045
- Twilight #4E518B ΔE 0.048
- Muted Purple #805B87 ΔE 0.060
- Dull Purple #84597E ΔE 0.063
- Light Eggplant #894585 ΔE 0.064
- YInMn Blue #415A77 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.070
Use #684D7C 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.