#683AA4
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.164 299.9), rgb(104, 58, 164).
Aa
White text reads best on this color (7.69:1).
About this color
#683AA4 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.164 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.023 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #683AA4 |
| RGB | rgb(104, 58, 164) |
| HSL | hsl(266, 48%, 44%) |
| OKLCH | oklch(46.1% 0.164 299.9) |
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 #683AA4 | 7.69:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #683AA4 | 2.72:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #683AA4 text on white | 7.69:1 | AAA | Lc 86.2 | Fine for body text |
| #683AA4 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C8B6ED
oklch(81% 0.079 299.6)
-
Step 400
400
#AD8DE4
oklch(70.7% 0.128 300.1)
-
Step 500
500
#996FDC
oklch(63.2% 0.162 299.5)
-
Step 600
600
#8554C9
oklch(55.7% 0.176 300)
-
Step 700
700 (this color)
#683AA4
oklch(46.1% 0.164 299.9)
-
Step 800
800
#5C388D
oklch(42.7% 0.136 300.2)
-
Step 900
900
#4B3171
oklch(37.7% 0.107 300)
-
Step 950
950
#2C1E42
oklch(27.1% 0.066 300)
#683AA4 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) | #0053A7 | 0.120 |
| Deuteranopia (no green cones) | #0952A2 | 0.118 |
| Tritanopia (no blue cones) | #5B516A | 0.122 |
| Achromatopsia (no color) | #535353 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683AA4
#683AA4
oklch(46.1% 0.164 299.9)
- #516000
#516000
oklch(46% 0.109 119.7)
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 #683AA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Bluey Purple #6241C7 ΔE 0.058
- Blueberry #464196 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Grape #7209B7 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.070
- Blurple #5539CC ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.080
Use #683AA4 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.