#683BA1
Closest named color: Rebecca Purple (#663399). oklch(46% 0.159 300.6), rgb(104, 59, 161).
Aa
White text reads best on this color (7.69:1).
About this color
#683BA1 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.159 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.021 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #683BA1 |
| RGB | rgb(104, 59, 161) |
| HSL | hsl(266, 46%, 43%) |
| OKLCH | oklch(46% 0.159 300.6) |
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 #683BA1 | 7.69:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #683BA1 | 2.72:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #683BA1 text on white | 7.69:1 | AAA | Lc 86.3 | Fine for body text |
| #683BA1 text on black | 2.72:1 | Fails | Lc -15.8 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F2
oklch(88.4% 0.043 300.2)
-
Step 300
300
#C8B6EB
oklch(80.9% 0.076 300.3)
-
Step 400
400
#AD8EE1
oklch(70.7% 0.122 300.5)
-
Step 500
500
#9A6FD9
oklch(63.1% 0.158 300.7)
-
Step 600
600
#8555C6
oklch(55.6% 0.171 300.6)
-
Step 700
700 (this color)
#683BA1
oklch(46% 0.159 300.6)
-
Step 800
800
#5C398B
oklch(42.8% 0.132 300.6)
-
Step 900
900
#4B326F
oklch(37.7% 0.103 300.5)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#683BA1 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) | #0053A4 | 0.120 |
| Deuteranopia (no green cones) | #14529F | 0.114 |
| Tritanopia (no blue cones) | #5C5168 | 0.120 |
| Achromatopsia (no color) | #535353 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683BA1
#683BA1
oklch(46% 0.159 300.6)
- #506000
#506000
oklch(45.9% 0.109 120.3)
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 #683BA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Blueberry #464196 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
- Grape #7209B7 ΔE 0.072
- Blurple #5539CC ΔE 0.078
- Twilight #4E518B ΔE 0.079
Use #683BA1 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.