#684789
Closest named color: Twilight (#4E518B). oklch(46.4% 0.109 305.6), rgb(104, 71, 137).
Aa
White text reads best on this color (7.36:1).
About this color
#684789 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.109 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.048 away. White text reads best on it, at 7.36:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.85:1 |
| White text | 7.36:1 |
Values
| HEX | #684789 |
| RGB | rgb(104, 71, 137) |
| HSL | hsl(270, 32%, 41%) |
| OKLCH | oklch(46.4% 0.109 305.6) |
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 #684789 | 7.36:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #684789 | 2.85:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #684789 text on white | 7.36:1 | AAA | Lc 85.4 | Fine for body text |
| #684789 text on black | 2.85:1 | Fails | Lc -16.6 | 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
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED5E9
oklch(88.6% 0.029 306)
-
Step 300
300
#C9B8DC
oklch(80.8% 0.053 306.5)
-
Step 400
400
#AD93CB
oklch(70.6% 0.085 305.5)
-
Step 500
500
#9978BD
oklch(63.1% 0.107 305.5)
-
Step 600
600
#8460A9
oklch(55.6% 0.116 305.7)
-
Step 700
700 (this color)
#684789
oklch(46.4% 0.109 305.6)
-
Step 800
800
#5B4176
oklch(42.7% 0.09 305.5)
-
Step 900
900
#4B375F
oklch(37.7% 0.071 306.3)
-
Step 950
950
#2C2138
oklch(27.2% 0.044 305.6)
#684789 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) | #35558B | 0.081 |
| Deuteranopia (no green cones) | #3E5687 | 0.074 |
| Tritanopia (no blue cones) | #635261 | 0.081 |
| Achromatopsia (no color) | #565656 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684789
#684789
oklch(46.4% 0.109 305.6)
- #4A6311
#4A6311
oklch(46.3% 0.109 125.8)
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 #684789, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.056
- Rebecca Purple #663399 ΔE 0.057
- Light Eggplant #894585 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.065
- Blueberry #464196 ΔE 0.067
- Dusty Grape #545775 ΔE 0.068
- Muted Purple #805B87 ΔE 0.073
Use #684789 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.