#684B80
Closest named color: Twilight (#4E518B). oklch(46.6% 0.09 308.4), rgb(104, 75, 128).
Aa
White text reads best on this color (7.22:1).
About this color
#684B80 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.090 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 7.22:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #684B80 |
| RGB | rgb(104, 75, 128) |
| HSL | hsl(273, 26%, 40%) |
| OKLCH | oklch(46.6% 0.09 308.4) |
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 #684B80 | 7.22:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #684B80 | 2.90:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #684B80 text on white | 7.22:1 | AAA | Lc 85.0 | Fine for body text |
| #684B80 text on black | 2.90:1 | Fails | Lc -17.0 | 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
#DED5E6
oklch(88.5% 0.025 309.3)
-
Step 300
300
#C8BAD7
oklch(81% 0.043 307.1)
-
Step 400
400
#AD95C2
oklch(70.7% 0.07 308.8)
-
Step 500
500
#997BB3
oklch(63.2% 0.089 308.5)
-
Step 600
600
#83639E
oklch(55.5% 0.096 308.4)
-
Step 700
700 (this color)
#684B80
oklch(46.6% 0.09 308.4)
-
Step 800
800
#5B436E
oklch(42.7% 0.075 309.1)
-
Step 900
900
#4A3959
oklch(37.7% 0.057 308.2)
-
Step 950
950
#2B2134
oklch(26.8% 0.037 308.1)
#684B80 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) | #405682 | 0.066 |
| Deuteranopia (no green cones) | #47577F | 0.059 |
| Tritanopia (no blue cones) | #65535F | 0.065 |
| Achromatopsia (no color) | #575757 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684B80
#684B80
oklch(46.6% 0.09 308.4)
- #4B6329
#4B6329
oklch(46.6% 0.089 128.2)
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 #684B80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.052
- Light Eggplant #894585 ΔE 0.062
- Muted Purple #805B87 ΔE 0.064
- Dull Purple #84597E ΔE 0.067
- Dusky Blue #475F94 ΔE 0.071
- Dusty Purple #825F87 ΔE 0.074
Use #684B80 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.