#684490
Closest named color: Rebecca Purple (#663399). oklch(46.3% 0.123 303.8), rgb(104, 68, 144).
Aa
White text reads best on this color (7.45:1).
About this color
#684490 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.123 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 7.45:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #684490 |
| RGB | rgb(104, 68, 144) |
| HSL | hsl(268, 36%, 42%) |
| OKLCH | oklch(46.3% 0.123 303.8) |
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 #684490 | 7.45:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #684490 | 2.81:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #684490 text on white | 7.45:1 | AAA | Lc 85.7 | Fine for body text |
| #684490 text on black | 2.81:1 | Fails | Lc -16.4 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#C9B8E1
oklch(81% 0.06 303.9)
-
Step 400
400
#AD92D1
oklch(70.7% 0.095 303.7)
-
Step 500
500
#9976C5
oklch(63.1% 0.121 303.5)
-
Step 600
600
#845DB2
oklch(55.6% 0.133 303.6)
-
Step 700
700 (this color)
#684490
oklch(46.3% 0.123 303.8)
-
Step 800
800
#5B3F7C
oklch(42.7% 0.102 303.6)
-
Step 900
900
#4B3664
oklch(37.8% 0.08 303.9)
-
Step 950
950
#2C203A
oklch(27% 0.049 304.5)
#684490 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) | #2C5493 | 0.091 |
| Deuteranopia (no green cones) | #36558E | 0.084 |
| Tritanopia (no blue cones) | #615263 | 0.093 |
| Achromatopsia (no color) | #555555 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684490
#684490
oklch(46.3% 0.123 303.8)
- #4C6300
#4C6300
oklch(46.4% 0.115 123.9)
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 #684490, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Twilight #4E518B ΔE 0.054
- Blueberry #464196 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.062
- Light Eggplant #894585 ΔE 0.066
- Dusk #4E5481 ΔE 0.066
- Dusty Grape #545775 ΔE 0.081
- Muted Purple #805B87 ΔE 0.082
Use #684490 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.