#683BA9
Closest named color: Rebecca Purple (#663399). oklch(46.6% 0.168 298.4), rgb(104, 59, 169).
Aa
White text reads best on this color (7.53:1).
About this color
#683BA9 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.168 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.030 away. White text reads best on it, at 7.53:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #683BA9 |
| RGB | rgb(104, 59, 169) |
| HSL | hsl(265, 48%, 45%) |
| OKLCH | oklch(46.6% 0.168 298.4) |
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 #683BA9 | 7.53:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #683BA9 | 2.78:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #683BA9 text on white | 7.53:1 | AAA | Lc 85.7 | Fine for body text |
| #683BA9 text on black | 2.78:1 | Fails | Lc -16.4 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F4
oklch(88.4% 0.046 297.9)
-
Step 300
300
#C7B6EF
oklch(81% 0.081 298.2)
-
Step 400
400
#AB8DE7
oklch(70.6% 0.132 298.3)
-
Step 500
500
#986EDF
oklch(63.1% 0.167 298.7)
-
Step 600
600
#8353CD
oklch(55.6% 0.182 298.4)
-
Step 700
700 (this color)
#683BA9
oklch(46.6% 0.168 298.4)
-
Step 800
800
#5A388F
oklch(42.7% 0.138 298.3)
-
Step 900
900
#4A3173
oklch(37.7% 0.11 298.5)
-
Step 950
950
#2B1D43
oklch(26.9% 0.07 298.6)
#683BA9 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) | #0054AC | 0.118 |
| Deuteranopia (no green cones) | #0053A7 | 0.119 |
| Tritanopia (no blue cones) | #59546D | 0.128 |
| Achromatopsia (no color) | #545454 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683BA9
#683BA9
oklch(46.6% 0.168 298.4)
- #546100
#546100
oklch(46.5% 0.109 118.4)
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 #683BA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Bluey Purple #6241C7 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Grape #7209B7 ΔE 0.066
- Blueberry #464196 ΔE 0.067
- Blurple #5539CC ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.074
- Iris #6258C4 ΔE 0.075
Use #683BA9 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.