#684F7D
Closest named color: Dusk (#4E5481). oklch(47.2% 0.078 308.6), rgb(104, 79, 125).
Aa
White text reads best on this color (6.99:1).
About this color
#684F7D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.078 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.043 away. White text reads best on it, at 6.99:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #684F7D |
| RGB | rgb(104, 79, 125) |
| HSL | hsl(273, 23%, 40%) |
| OKLCH | oklch(47.2% 0.078 308.6) |
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 #684F7D | 6.99:1 | AA | Lc -89.1 | Fine for body text |
| Black text on #684F7D | 3.00:1 | AA large text | Lc 19.9 | Dividers and decoration only |
| #684F7D text on white | 6.99:1 | AA | Lc 84.1 | Fine for body text |
| #684F7D text on black | 3.00:1 | AA large text | Lc -17.8 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD6E4
oklch(88.6% 0.02 308.2)
-
Step 300
300
#C7BAD4
oklch(80.8% 0.039 307.9)
-
Step 400
400
#AB97BE
oklch(70.7% 0.06 308.1)
-
Step 500
500
#977DAD
oklch(63.1% 0.076 308.9)
-
Step 600
600
#816699
oklch(55.6% 0.083 308.1)
-
Step 700
700 (this color)
#684F7D
oklch(47.2% 0.078 308.6)
-
Step 800
800
#59456A
oklch(42.7% 0.064 308.6)
-
Step 900
900
#493A56
oklch(37.6% 0.05 308.5)
-
Step 950
950
#2B2232
oklch(26.9% 0.032 309.9)
#684F7D 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) | #46587F | 0.056 |
| Deuteranopia (no green cones) | #4C5A7C | 0.052 |
| Tritanopia (no blue cones) | #655660 | 0.058 |
| Achromatopsia (no color) | #595959 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684F7D
#684F7D
oklch(47.2% 0.078 308.6)
- #4E6433
#4E6433
oklch(47.3% 0.078 128.8)
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 #684F7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.043
- Dusty Grape #545775 ΔE 0.043
- Twilight #4E518B ΔE 0.047
- Muted Purple #805B87 ΔE 0.057
- Dull Purple #84597E ΔE 0.060
- Light Eggplant #894585 ΔE 0.065
- Dusty Purple #825F87 ΔE 0.066
- Dusky Blue #475F94 ΔE 0.066
Use #684F7D 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.