#684791
Closest named color: Rebecca Purple (#663399). oklch(46.9% 0.12 302.6), rgb(104, 71, 145).
Aa
White text reads best on this color (7.24:1).
About this color
#684791 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.120 and its hue 303°. 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 7.24:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #684791 |
| RGB | rgb(104, 71, 145) |
| HSL | hsl(267, 34%, 42%) |
| OKLCH | oklch(46.9% 0.12 302.6) |
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 #684791 | 7.24:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #684791 | 2.89:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #684791 text on white | 7.24:1 | AAA | Lc 84.9 | Fine for body text |
| #684791 text on black | 2.89:1 | Fails | Lc -17.1 | 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
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD4EB
oklch(88.4% 0.033 303.4)
-
Step 300
300
#C8B8E0
oklch(80.9% 0.058 303.3)
-
Step 400
400
#AC93D1
oklch(70.8% 0.093 302.6)
-
Step 500
500
#9877C4
oklch(63.2% 0.118 302.9)
-
Step 600
600
#825EB1
oklch(55.5% 0.129 302.4)
-
Step 700
700 (this color)
#684791
oklch(46.9% 0.12 302.6)
-
Step 800
800
#5A407B
oklch(42.7% 0.098 302.8)
-
Step 900
900
#4A3763
oklch(37.8% 0.076 302.8)
-
Step 950
950
#2B203A
oklch(26.9% 0.049 302.7)
#684791 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) | #305694 | 0.085 |
| Deuteranopia (no green cones) | #39578F | 0.079 |
| Tritanopia (no blue cones) | #615465 | 0.090 |
| Achromatopsia (no color) | #575757 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684791
#684791
oklch(46.9% 0.12 302.6)
- #4F6400
#4F6400
oklch(46.9% 0.115 122.8)
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 #684791, 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 0.050
- Dusk #4E5481 ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Light Eggplant #894585 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.065
- Muted Purple #805B87 ΔE 0.076
- Dusky Blue #475F94 ΔE 0.077
Use #684791 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.