#684B97
Closest named color: Twilight (#4E518B). oklch(47.9% 0.121 299.4), rgb(104, 75, 151).
Aa
White text reads best on this color (6.90:1).
About this color
#684B97 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.121 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.049 away. White text reads best on it, at 6.90:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #684B97 |
| RGB | rgb(104, 75, 151) |
| HSL | hsl(263, 34%, 44%) |
| OKLCH | oklch(47.9% 0.121 299.4) |
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 #684B97 | 6.90:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #684B97 | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #684B97 text on white | 6.90:1 | AA | Lc 83.7 | Fine for body text |
| #684B97 text on black | 3.04:1 | AA large text | Lc -18.3 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DCD5EC
oklch(88.6% 0.032 299.6)
-
Step 300
300
#C6B9E2
oklch(81% 0.059 299.6)
-
Step 400
400
#A994D3
oklch(70.8% 0.093 299.3)
-
Step 500
500
#9478C7
oklch(63.1% 0.119 299.3)
-
Step 600
600
#7F5FB4
oklch(55.6% 0.131 299.5)
-
Step 700
700 (this color)
#684B97
oklch(47.9% 0.121 299.4)
-
Step 800
800
#57417D
oklch(42.7% 0.099 299.1)
-
Step 900
900
#483765
oklch(37.7% 0.079 299.7)
-
Step 950
950
#2A213B
oklch(27.1% 0.048 299.1)
#684B97 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) | #325A9A | 0.081 |
| Deuteranopia (no green cones) | #395995 | 0.075 |
| Tritanopia (no blue cones) | #5E596A | 0.093 |
| Achromatopsia (no color) | #5A5A5A | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684B97
#684B97
oklch(47.9% 0.121 299.4)
- #566600
#566600
oklch(48% 0.114 119.8)
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 #684B97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.049
- Rebecca Purple #663399 ΔE 0.056
- Dusk #4E5481 ΔE 0.062
- Blueberry #464196 ΔE 0.066
- Light Eggplant #894585 ΔE 0.067
- Dusky Blue #475F94 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
- Muted Purple #805B87 ΔE 0.072
Use #684B97 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.