#684494
Closest named color: Rebecca Purple (#663399). oklch(46.5% 0.129 302.5), rgb(104, 68, 148).
Aa
White text reads best on this color (7.38:1).
About this color
#684494 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.129 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 7.38:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #684494 |
| RGB | rgb(104, 68, 148) |
| HSL | hsl(267, 37%, 42%) |
| OKLCH | oklch(46.5% 0.129 302.5) |
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 #684494 | 7.38:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #684494 | 2.84:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #684494 text on white | 7.38:1 | AAA | Lc 85.4 | Fine for body text |
| #684494 text on black | 2.84:1 | Fails | Lc -16.6 | 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
#DDD4ED
oklch(88.5% 0.035 302)
-
Step 300
300
#C8B8E3
oklch(81% 0.062 302)
-
Step 400
400
#AC91D4
oklch(70.6% 0.1 302.4)
-
Step 500
500
#9975C9
oklch(63.1% 0.128 302.7)
-
Step 600
600
#835CB5
oklch(55.5% 0.138 302.4)
-
Step 700
700 (this color)
#684494
oklch(46.5% 0.129 302.5)
-
Step 800
800
#5B3E7F
oklch(42.7% 0.108 302.7)
-
Step 900
900
#4A3666
oklch(37.8% 0.082 301.8)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#684494 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) | #285597 | 0.095 |
| Deuteranopia (no green cones) | #335592 | 0.086 |
| Tritanopia (no blue cones) | #605365 | 0.097 |
| Achromatopsia (no color) | #565656 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684494
#684494
oklch(46.5% 0.129 302.5)
- #4F6300
#4F6300
oklch(46.6% 0.113 122.3)
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 #684494, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Twilight #4E518B ΔE 0.056
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.063
- Light Eggplant #894585 ΔE 0.068
- Dusk #4E5481 ΔE 0.070
- Bluey Purple #6241C7 ΔE 0.083
- Dusky Blue #475F94 ΔE 0.083
Use #684494 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.