#684D89
Closest named color: Twilight (#4E518B). oklch(47.5% 0.098 303.6), rgb(104, 77, 137).
Aa
White text reads best on this color (6.97:1).
About this color
#684D89 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.098 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.043 away. White text reads best on it, at 6.97:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #684D89 |
| RGB | rgb(104, 77, 137) |
| HSL | hsl(267, 28%, 42%) |
| OKLCH | oklch(47.5% 0.098 303.6) |
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 #684D89 | 6.97:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #684D89 | 3.01:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #684D89 text on white | 6.97:1 | AA | Lc 84.0 | Fine for body text |
| #684D89 text on black | 3.01:1 | AA large text | Lc -17.9 | 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
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C7BADA
oklch(81% 0.047 303.8)
-
Step 400
400
#AA95C8
oklch(70.6% 0.077 303.3)
-
Step 500
500
#967ABA
oklch(63% 0.099 303.8)
-
Step 600
600
#8063A6
oklch(55.6% 0.106 303.1)
-
Step 700
700 (this color)
#684D89
oklch(47.5% 0.098 303.6)
-
Step 800
800
#584373
oklch(42.6% 0.081 303.3)
-
Step 900
900
#49395D
oklch(37.8% 0.063 304)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#684D89 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) | #3E598B | 0.067 |
| Deuteranopia (no green cones) | #445987 | 0.062 |
| Tritanopia (no blue cones) | #625764 | 0.075 |
| Achromatopsia (no color) | #595959 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684D89
#684D89
oklch(47.5% 0.098 303.6)
- #51651F
#51651F
oklch(47.5% 0.098 123.8)
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 #684D89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.043
- Dusk #4E5481 ΔE 0.048
- Dusty Grape #545775 ΔE 0.058
- Muted Purple #805B87 ΔE 0.061
- Light Eggplant #894585 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.065
- Dull Purple #84597E ΔE 0.067
- Rebecca Purple #663399 ΔE 0.071
Use #684D89 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.