#684C8C
Closest named color: Twilight (#4E518B). oklch(47.5% 0.104 302.8), rgb(104, 76, 140).
Aa
White text reads best on this color (6.99:1).
About this color
#684C8C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.104 and its hue 303°. 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 6.99:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #684C8C |
| RGB | rgb(104, 76, 140) |
| HSL | hsl(266, 30%, 42%) |
| OKLCH | oklch(47.5% 0.104 302.8) |
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 #684C8C | 6.99:1 | AA | Lc -89.1 | Fine for body text |
| Black text on #684C8C | 3.00:1 | AA large text | Lc 19.9 | Dividers and decoration only |
| #684C8C text on white | 6.99:1 | AA | Lc 84.1 | Fine for body text |
| #684C8C text on black | 3.00:1 | 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
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C7B9DC
oklch(80.9% 0.051 303.4)
-
Step 400
400
#AA95CB
oklch(70.8% 0.081 302.2)
-
Step 500
500
#967ABD
oklch(63.2% 0.103 302.8)
-
Step 600
600
#8162A9
oklch(55.7% 0.112 303.1)
-
Step 700
700 (this color)
#684C8C
oklch(47.5% 0.104 302.8)
-
Step 800
800
#584276
oklch(42.6% 0.087 302.4)
-
Step 900
900
#49385F
oklch(37.7% 0.068 303.4)
-
Step 950
950
#2B2138
oklch(27% 0.044 303.6)
#684C8C 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) | #3B588E | 0.071 |
| Deuteranopia (no green cones) | #41598A | 0.066 |
| Tritanopia (no blue cones) | #625765 | 0.079 |
| Achromatopsia (no color) | #595959 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684C8C
#684C8C
oklch(47.5% 0.104 302.8)
- #516517
#516517
oklch(47.4% 0.104 123.1)
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 #684C8C, 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 0.051
- Light Eggplant #894585 ΔE 0.062
- Dusty Grape #545775 ΔE 0.063
- Muted Purple #805B87 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.066
- Dusky Blue #475F94 ΔE 0.067
- Blueberry #464196 ΔE 0.071
Use #684C8C 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.