#684B85
Closest named color: Twilight (#4E518B). oklch(46.9% 0.096 306.1), rgb(104, 75, 133).
Aa
White text reads best on this color (7.15:1).
About this color
#684B85 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.096 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 7.15:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #684B85 |
| RGB | rgb(104, 75, 133) |
| HSL | hsl(270, 28%, 41%) |
| OKLCH | oklch(46.9% 0.096 306.1) |
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 #684B85 | 7.15:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #684B85 | 2.93:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #684B85 text on white | 7.15:1 | AAA | Lc 84.7 | Fine for body text |
| #684B85 text on black | 2.93:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C8B9D9
oklch(80.8% 0.047 306.5)
-
Step 400
400
#AC95C6
oklch(70.7% 0.075 305.9)
-
Step 500
500
#987AB7
oklch(63.1% 0.095 306.4)
-
Step 600
600
#8262A3
oklch(55.5% 0.104 305.9)
-
Step 700
700 (this color)
#684B85
oklch(46.9% 0.096 306.1)
-
Step 800
800
#5A4371
oklch(42.7% 0.079 306.3)
-
Step 900
900
#4A395C
oklch(37.8% 0.062 305.9)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#684B85 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) | #3D5787 | 0.070 |
| Deuteranopia (no green cones) | #445883 | 0.064 |
| Tritanopia (no blue cones) | #645461 | 0.072 |
| Achromatopsia (no color) | #585858 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684B85
#684B85
oklch(46.9% 0.096 306.1)
- #4D6421
#4D6421
oklch(46.9% 0.097 126)
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 #684B85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.048
- Dusty Grape #545775 ΔE 0.057
- Light Eggplant #894585 ΔE 0.061
- Muted Purple #805B87 ΔE 0.064
- Dull Purple #84597E ΔE 0.069
- Dusky Blue #475F94 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.070
Use #684B85 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.