#684E81
Closest named color: Dusk (#4E5481). oklch(47.2% 0.085 306.8), rgb(104, 78, 129).
Aa
White text reads best on this color (7.01:1).
About this color
#684E81 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.085 and its hue 307°. 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 7.01:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #684E81 |
| RGB | rgb(104, 78, 129) |
| HSL | hsl(271, 25%, 41%) |
| OKLCH | oklch(47.2% 0.085 306.8) |
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 #684E81 | 7.01:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #684E81 | 2.99:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #684E81 text on white | 7.01:1 | AAA | Lc 84.2 | Fine for body text |
| #684E81 text on black | 2.99:1 | Fails | Lc -17.8 | 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
#DDD5E5
oklch(88.4% 0.023 308.2)
-
Step 300
300
#C7BAD6
oklch(80.8% 0.041 306.4)
-
Step 400
400
#AB96C1
oklch(70.6% 0.066 306.9)
-
Step 500
500
#977CB2
oklch(63.2% 0.085 307)
-
Step 600
600
#81649D
oklch(55.5% 0.092 307)
-
Step 700
700 (this color)
#684E81
oklch(47.2% 0.085 306.8)
-
Step 800
800
#59446D
oklch(42.6% 0.071 307.1)
-
Step 900
900
#493A59
oklch(37.8% 0.055 306.1)
-
Step 950
950
#2B2234
oklch(27% 0.035 307)
#684E81 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) | #435883 | 0.060 |
| Deuteranopia (no green cones) | #495980 | 0.055 |
| Tritanopia (no blue cones) | #645661 | 0.064 |
| Achromatopsia (no color) | #595959 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684E81
#684E81
oklch(47.2% 0.085 306.8)
- #4F642C
#4F642C
oklch(47.2% 0.085 126.5)
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 #684E81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.044
- Twilight #4E518B ΔE 0.044
- Dusty Grape #545775 ΔE 0.048
- Muted Purple #805B87 ΔE 0.058
- Dull Purple #84597E ΔE 0.062
- Light Eggplant #894585 ΔE 0.063
- Dusky Blue #475F94 ΔE 0.066
- Dusty Purple #825F87 ΔE 0.068
Use #684E81 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.