#684D81
Closest named color: Twilight (#4E518B). oklch(47.1% 0.087 307.2), rgb(104, 77, 129).
Aa
White text reads best on this color (7.07:1).
About this color
#684D81 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.087 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #684D81 |
| RGB | rgb(104, 77, 129) |
| HSL | hsl(271, 25%, 40%) |
| OKLCH | oklch(47.1% 0.087 307.2) |
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 #684D81 | 7.07:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #684D81 | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #684D81 text on white | 7.07:1 | AAA | Lc 84.4 | Fine for body text |
| #684D81 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C8BAD6
oklch(80.9% 0.042 307.9)
-
Step 400
400
#AC96C2
oklch(70.8% 0.067 307.4)
-
Step 500
500
#977BB2
oklch(63% 0.086 307.3)
-
Step 600
600
#82649E
oklch(55.6% 0.094 307.3)
-
Step 700
700 (this color)
#684D81
oklch(47.1% 0.087 307.2)
-
Step 800
800
#59446E
oklch(42.7% 0.072 306.5)
-
Step 900
900
#493959
oklch(37.6% 0.057 306.7)
-
Step 950
950
#2B2234
oklch(27% 0.035 307)
#684D81 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) | #425783 | 0.062 |
| Deuteranopia (no green cones) | #485980 | 0.058 |
| Tritanopia (no blue cones) | #655561 | 0.064 |
| Achromatopsia (no color) | #585858 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684D81
#684D81
oklch(47.1% 0.087 307.2)
- #4D642A
#4D642A
oklch(47.1% 0.088 127.5)
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 #684D81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.045
- Dusk #4E5481 ΔE 0.045
- Dusty Grape #545775 ΔE 0.049
- Muted Purple #805B87 ΔE 0.060
- Light Eggplant #894585 ΔE 0.062
- Dull Purple #84597E ΔE 0.064
- Dusky Blue #475F94 ΔE 0.067
- Dusty Purple #825F87 ΔE 0.070
Use #684D81 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.