#684387
Closest named color: Rebecca Purple (#663399). oklch(45.6% 0.113 307.6), rgb(104, 67, 135).
Aa
White text reads best on this color (7.66:1).
About this color
#684387 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.113 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.050 away. White text reads best on it, at 7.66:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.74:1 |
| White text | 7.66:1 |
Values
| HEX | #684387 |
| RGB | rgb(104, 67, 135) |
| HSL | hsl(273, 34%, 40%) |
| OKLCH | oklch(45.6% 0.113 307.6) |
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 #684387 | 7.66:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #684387 | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #684387 text on white | 7.66:1 | AAA | Lc 86.4 | Fine for body text |
| #684387 text on black | 2.74:1 | Fails | Lc -15.7 | 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 800.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3EC
oklch(88.5% 0.037 308.8)
-
Step 300
300
#CCB6E2
oklch(80.9% 0.065 307.6)
-
Step 400
400
#B38FD4
oklch(70.8% 0.105 307.8)
-
Step 500
500
#A071C8
oklch(63.1% 0.135 307.9)
-
Step 600
600
#8B58B5
oklch(55.7% 0.147 307.6)
-
Step 700
700
#76479C
oklch(49.1% 0.138 307.6)
-
Step 800
800 (this color)
#684387
oklch(45.6% 0.113 307.6)
-
Step 900
900
#4E3365
oklch(37.6% 0.088 307.6)
-
Step 950
950
#2E1E3B
oklch(26.9% 0.056 308.5)
#684387 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) | #315289 | 0.088 |
| Deuteranopia (no green cones) | #3B5485 | 0.080 |
| Tritanopia (no blue cones) | #644E5E | 0.082 |
| Achromatopsia (no color) | #535353 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684387
#684387
oklch(45.6% 0.113 307.6)
- #45620A
#45620A
oklch(45.6% 0.113 127.5)
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 #684387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Twilight #4E518B ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.062
- Dusk #4E5481 ΔE 0.062
- Light Eggplant #894585 ΔE 0.064
- Blueberry #464196 ΔE 0.065
- Dusty Grape #545775 ΔE 0.075
- Muted Purple #805B87 ΔE 0.081
Use #684387 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.