#683C83
Closest named color: Rebecca Purple (#663399). oklch(44.1% 0.121 311), rgb(104, 60, 131).
Aa
White text reads best on this color (8.19:1).
About this color
#683C83 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.121 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.044 away. White text reads best on it, at 8.19:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #683C83 |
| RGB | rgb(104, 60, 131) |
| HSL | hsl(277, 37%, 37%) |
| OKLCH | oklch(44.1% 0.121 311) |
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 #683C83 | 8.19:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #683C83 | 2.56:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #683C83 text on white | 8.19:1 | AAA | Lc 88.0 | Fine for body text |
| #683C83 text on black | 2.56:1 | Fails | Lc -14.1 | Not readable |
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 800.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D2ED
oklch(88.4% 0.04 310.2)
-
Step 300
300
#CFB4E3
oklch(80.8% 0.071 310.6)
-
Step 400
400
#B78CD4
oklch(70.7% 0.112 311)
-
Step 500
500
#A56DC9
oklch(63% 0.145 310.9)
-
Step 600
600
#9053B5
oklch(55.5% 0.157 311)
-
Step 700
700
#7B439C
oklch(49.1% 0.146 311.2)
-
Step 800
800 (this color)
#683C83
oklch(44.1% 0.121 311)
-
Step 900
900
#513166
oklch(37.7% 0.094 310.5)
-
Step 950
950
#301D3C
oklch(27% 0.061 311.2)
#683C83 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) | #294D85 | 0.101 |
| Deuteranopia (no green cones) | #375081 | 0.090 |
| Tritanopia (no blue cones) | #654859 | 0.085 |
| Achromatopsia (no color) | #4F4F4F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683C83
#683C83
oklch(44.1% 0.121 311)
- #3A5F00
#3A5F00
oklch(44% 0.12 130.9)
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 #683C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.060
- Twilight #4E518B ΔE 0.066
- Blueberry #464196 ΔE 0.067
- Light Eggplant #894585 ΔE 0.070
- Dusk #4E5481 ΔE 0.075
- Dusty Grape #545775 ΔE 0.086
- Purple #800080 ΔE 0.089
Use #683C83 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.