#684186
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.116 308.6), rgb(104, 65, 134).
Aa
White text reads best on this color (7.80:1).
About this color
#684186 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.116 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.048 away. White text reads best on it, at 7.80:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.68:1 |
| White text | 7.80:1 |
Values
| HEX | #684186 |
| RGB | rgb(104, 65, 134) |
| HSL | hsl(274, 35%, 39%) |
| OKLCH | oklch(45.1% 0.116 308.6) |
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 #684186 | 7.80:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #684186 | 2.68:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #684186 text on white | 7.80:1 | AAA | Lc 86.9 | Fine for body text |
| #684186 text on black | 2.68:1 | Fails | Lc -15.2 | 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
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CDB5E3
oklch(80.9% 0.069 308.4)
-
Step 400
400
#B48ED4
oklch(70.8% 0.108 308.7)
-
Step 500
500
#A170C9
oklch(63.1% 0.138 308.3)
-
Step 600
600
#8C56B5
oklch(55.5% 0.15 308.5)
-
Step 700
700
#77469C
oklch(49.1% 0.14 308.4)
-
Step 800
800 (this color)
#684186
oklch(45.1% 0.116 308.6)
-
Step 900
900
#4F3366
oklch(37.8% 0.09 308)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#684186 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) | #2F5088 | 0.091 |
| Deuteranopia (no green cones) | #3A5384 | 0.083 |
| Tritanopia (no blue cones) | #644D5D | 0.083 |
| Achromatopsia (no color) | #525252 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684186
#684186
oklch(45.1% 0.116 308.6)
- #426106
#426106
oklch(45.1% 0.116 128.4)
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 #684186, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.048
- Twilight #4E518B ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.061
- Light Eggplant #894585 ΔE 0.065
- Blueberry #464196 ΔE 0.065
- Dusk #4E5481 ΔE 0.066
- Dusty Grape #545775 ΔE 0.078
- Muted Purple #805B87 ΔE 0.085
Use #684186 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.