#684C8D
Closest named color: Twilight (#4E518B). oklch(47.5% 0.106 302.4), rgb(104, 76, 141).
Aa
White text reads best on this color (6.98:1).
About this color
#684C8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.106 and its hue 302°. 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 6.98:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #684C8D |
| RGB | rgb(104, 76, 141) |
| HSL | hsl(266, 30%, 43%) |
| OKLCH | oklch(47.5% 0.106 302.4) |
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 #684C8D | 6.98:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #684C8D | 3.00:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #684C8D text on white | 6.98:1 | AA | Lc 84.0 | Fine for body text |
| #684C8D 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
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C7B9DD
oklch(80.9% 0.052 302.9)
-
Step 400
400
#AA95CB
oklch(70.8% 0.081 302.2)
-
Step 500
500
#967ABE
oklch(63.2% 0.104 302.5)
-
Step 600
600
#8062AA
oklch(55.6% 0.113 302.1)
-
Step 700
700 (this color)
#684C8D
oklch(47.5% 0.106 302.4)
-
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
#2A2138
oklch(26.9% 0.043 301.5)
#684C8D 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) | #3A598F | 0.073 |
| Deuteranopia (no green cones) | #41598B | 0.066 |
| Tritanopia (no blue cones) | #615766 | 0.080 |
| Achromatopsia (no color) | #595959 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684C8D
#684C8D
oklch(47.5% 0.106 302.4)
- #526514
#526514
oklch(47.5% 0.105 122.3)
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 #684C8D, 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 0.052
- Light Eggplant #894585 ΔE 0.062
- Dusty Grape #545775 ΔE 0.064
- Muted Purple #805B87 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.067
- Blueberry #464196 ΔE 0.070
Use #684C8D 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.