#684C75
Closest named color: Dusty Grape (#545775). oklch(46.3% 0.073 314.7), rgb(104, 76, 117).
Aa
White text reads best on this color (7.29:1).
About this color
#684C75 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.073 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.043 away. White text reads best on it, at 7.29:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #684C75 |
| RGB | rgb(104, 76, 117) |
| HSL | hsl(281, 21%, 38%) |
| OKLCH | oklch(46.3% 0.073 314.7) |
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 #684C75 | 7.29:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #684C75 | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #684C75 text on white | 7.29:1 | AAA | Lc 85.3 | Fine for body text |
| #684C75 text on black | 2.87:1 | Fails | Lc -16.8 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E2
oklch(88.4% 0.02 315.7)
-
Step 300
300
#C9BAD1
oklch(80.8% 0.036 314.1)
-
Step 400
400
#AE96B9
oklch(70.6% 0.057 315.2)
-
Step 500
500
#9A7CA8
oklch(63% 0.073 314.9)
-
Step 600
600
#856593
oklch(55.6% 0.079 315.3)
-
Step 700
700 (this color)
#684C75
oklch(46.3% 0.073 314.7)
-
Step 800
800
#5B4566
oklch(42.7% 0.06 314.1)
-
Step 900
900
#4B3A53
oklch(37.7% 0.047 314.8)
-
Step 950
950
#2C2231
oklch(27% 0.031 314.3)
#684C75 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) | #465577 | 0.057 |
| Deuteranopia (no green cones) | #4C5774 | 0.053 |
| Tritanopia (no blue cones) | #67515B | 0.050 |
| Achromatopsia (no color) | #565656 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684C75
#684C75
oklch(46.3% 0.073 314.7)
- #476237
#476237
oklch(46.3% 0.073 134.6)
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 #684C75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.043
- Dusk #4E5481 ΔE 0.047
- Twilight #4E518B ΔE 0.054
- Muted Purple #805B87 ΔE 0.065
- Dull Purple #84597E ΔE 0.065
- Dark Mauve #874C62 ΔE 0.065
- Brownish Purple #76424E ΔE 0.065
- YInMn Blue #415A77 ΔE 0.068
Use #684C75 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.