#684F87
Closest named color: Twilight (#4E518B). oklch(47.8% 0.092 303.7), rgb(104, 79, 135).
Aa
White text reads best on this color (6.86:1).
About this color
#684F87 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.092 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.042 away. White text reads best on it, at 6.86:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.05:1 |
| White text | 6.86:1 |
Values
| HEX | #684F87 |
| RGB | rgb(104, 79, 135) |
| HSL | hsl(267, 26%, 42%) |
| OKLCH | oklch(47.8% 0.092 303.7) |
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 #684F87 | 6.86:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #684F87 | 3.05:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #684F87 text on white | 6.86:1 | AA | Lc 83.6 | Fine for body text |
| #684F87 text on black | 3.05:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD5E7
oklch(88.4% 0.026 303.5)
-
Step 300
300
#C6BAD9
oklch(80.9% 0.045 303)
-
Step 400
400
#AA96C5
oklch(70.7% 0.071 304)
-
Step 500
500
#957CB7
oklch(63.2% 0.091 303.3)
-
Step 600
600
#8064A2
oklch(55.6% 0.098 304.2)
-
Step 700
700 (this color)
#684F87
oklch(47.8% 0.092 303.7)
-
Step 800
800
#584471
oklch(42.7% 0.076 303.8)
-
Step 900
900
#48395B
oklch(37.6% 0.06 303.9)
-
Step 950
950
#2A2235
oklch(27% 0.036 303.4)
#684F87 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) | #425A89 | 0.062 |
| Deuteranopia (no green cones) | #475A85 | 0.057 |
| Tritanopia (no blue cones) | #635864 | 0.070 |
| Achromatopsia (no color) | #5A5A5A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684F87
#684F87
oklch(47.8% 0.092 303.7)
- #526525
#526525
oklch(47.6% 0.092 123.8)
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 #684F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.042
- Dusk #4E5481 ΔE 0.045
- Dusty Grape #545775 ΔE 0.052
- Muted Purple #805B87 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.062
- Light Eggplant #894585 ΔE 0.062
- Dull Purple #84597E ΔE 0.063
- Dusty Purple #825F87 ΔE 0.067
Use #684F87 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.