#684C84
Closest named color: Twilight (#4E518B). oklch(47% 0.093 306.2), rgb(104, 76, 132).
Aa
White text reads best on this color (7.10:1).
About this color
#684C84 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.093 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 7.10:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #684C84 |
| RGB | rgb(104, 76, 132) |
| HSL | hsl(270, 27%, 41%) |
| OKLCH | oklch(47% 0.093 306.2) |
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 #684C84 | 7.10:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #684C84 | 2.95:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #684C84 text on white | 7.10:1 | AAA | Lc 84.5 | Fine for body text |
| #684C84 text on black | 2.95:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C8BAD8
oklch(81% 0.044 306.4)
-
Step 400
400
#AC95C5
oklch(70.7% 0.073 306.4)
-
Step 500
500
#977BB6
oklch(63.1% 0.092 305.7)
-
Step 600
600
#8263A2
oklch(55.6% 0.101 306)
-
Step 700
700 (this color)
#684C84
oklch(47% 0.093 306.2)
-
Step 800
800
#5A4370
oklch(42.7% 0.077 306.9)
-
Step 900
900
#4A395B
oklch(37.8% 0.06 306.6)
-
Step 950
950
#2B2135
oklch(26.9% 0.039 306.8)
#684C84 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) | #3F5786 | 0.066 |
| Deuteranopia (no green cones) | #465882 | 0.060 |
| Tritanopia (no blue cones) | #645561 | 0.070 |
| Achromatopsia (no color) | #585858 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684C84
#684C84
oklch(47% 0.093 306.2)
- #4E6425
#4E6425
oklch(47.1% 0.093 126)
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 #684C84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.054
- Light Eggplant #894585 ΔE 0.061
- Muted Purple #805B87 ΔE 0.062
- Dull Purple #84597E ΔE 0.067
- Dusky Blue #475F94 ΔE 0.068
- Dusty Purple #825F87 ΔE 0.072
Use #684C84 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.