#684AA0
Closest named color: Rebecca Purple (#663399). oklch(48.3% 0.135 297.2), rgb(104, 74, 160).
Aa
White text reads best on this color (6.82:1).
About this color
#684AA0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.135 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.053 away. White text reads best on it, at 6.82:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #684AA0 |
| RGB | rgb(104, 74, 160) |
| HSL | hsl(261, 37%, 46%) |
| OKLCH | oklch(48.3% 0.135 297.2) |
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 #684AA0 | 6.82:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #684AA0 | 3.07:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #684AA0 text on white | 6.82:1 | AA | Lc 83.3 | Fine for body text |
| #684AA0 text on black | 3.07:1 | AA large text | Lc -18.6 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C5B8E6
oklch(80.9% 0.065 297.9)
-
Step 400
400
#A793DA
oklch(70.8% 0.104 296.6)
-
Step 500
500
#9376CF
oklch(63.1% 0.133 297.5)
-
Step 600
600
#7E5DBC
oklch(55.6% 0.145 297.5)
-
Step 700
700 (this color)
#684AA0
oklch(48.3% 0.135 297.2)
-
Step 800
800
#563F84
oklch(42.7% 0.112 296.8)
-
Step 900
900
#47366A
oklch(37.7% 0.088 297.1)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#684AA0 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) | #285BA3 | 0.090 |
| Deuteranopia (no green cones) | #305A9E | 0.084 |
| Tritanopia (no blue cones) | #5B5B6E | 0.105 |
| Achromatopsia (no color) | #5B5B5B | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684AA0
#684AA0
oklch(48.3% 0.135 297.2)
- #5A6600
#5A6600
oklch(48.3% 0.112 117.5)
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 #684AA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.053
- Twilight #4E518B ΔE 0.058
- Iris #6258C4 ΔE 0.063
- Blueberry #464196 ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.068
- Dusk #4E5481 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.074
- Light Eggplant #894585 ΔE 0.074
Use #684AA0 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.