#684F8A
Closest named color: Twilight (#4E518B). oklch(47.9% 0.096 302.5), rgb(104, 79, 138).
Aa
White text reads best on this color (6.83:1).
About this color
#684F8A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.096 and its hue 302°. 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 6.83:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #684F8A |
| RGB | rgb(104, 79, 138) |
| HSL | hsl(265, 27%, 43%) |
| OKLCH | oklch(47.9% 0.096 302.5) |
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 #684F8A | 6.83:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #684F8A | 3.07:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #684F8A text on white | 6.83:1 | AA | Lc 83.5 | Fine for body text |
| #684F8A text on black | 3.07:1 | AA large text | Lc -18.5 | 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
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C6BADA
oklch(80.9% 0.046 302.4)
-
Step 400
400
#A996C8
oklch(70.7% 0.075 301.9)
-
Step 500
500
#947BB9
oklch(63% 0.095 302.3)
-
Step 600
600
#7F64A5
oklch(55.7% 0.102 302.3)
-
Step 700
700 (this color)
#684F8A
oklch(47.9% 0.096 302.5)
-
Step 800
800
#574473
oklch(42.7% 0.079 301.8)
-
Step 900
900
#48395D
oklch(37.7% 0.063 302.7)
-
Step 950
950
#2A2236
oklch(27% 0.038 302.3)
#684F8A 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) | #405A8C | 0.064 |
| Deuteranopia (no green cones) | #455A88 | 0.059 |
| Tritanopia (no blue cones) | #625966 | 0.073 |
| Achromatopsia (no color) | #5B5B5B | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684F8A
#684F8A
oklch(47.9% 0.096 302.5)
- #546621
#546621
oklch(48% 0.096 122.6)
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 #684F8A, 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 0.047
- Dusty Grape #545775 ΔE 0.056
- Muted Purple #805B87 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.062
- Light Eggplant #894585 ΔE 0.062
- Dull Purple #84597E ΔE 0.065
- Dusty Purple #825F87 ΔE 0.068
Use #684F8A 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.