#683783
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.129 312), rgb(104, 55, 131).
Aa
White text reads best on this color (8.52:1).
About this color
#683783 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.129 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 8.52:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #683783 |
| RGB | rgb(104, 55, 131) |
| HSL | hsl(279, 41%, 36%) |
| OKLCH | oklch(43.3% 0.129 312) |
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 #683783 | 8.52:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #683783 | 2.46:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #683783 text on white | 8.52:1 | AAA | Lc 89.0 | Fine for body text |
| #683783 text on black | 2.46:1 | Fails | Lc -13.3 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E2D2EE
oklch(88.5% 0.042 310.9)
-
Step 300
300
#D1B3E4
oklch(80.9% 0.075 312.2)
-
Step 400
400
#BA8AD7
oklch(70.8% 0.121 312.1)
-
Step 500
500
#A86ACC
oklch(63% 0.155 311.9)
-
Step 600
600
#9450B9
oklch(55.7% 0.167 312.1)
-
Step 700
700
#7E409F
oklch(49.2% 0.155 312.2)
-
Step 800
800 (this color)
#683783
oklch(43.3% 0.129 312)
-
Step 900
900
#532F68
oklch(37.7% 0.101 311.6)
-
Step 950
950
#311C3D
oklch(27% 0.065 312.1)
#683783 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) | #204A85 | 0.113 |
| Deuteranopia (no green cones) | #324E81 | 0.100 |
| Tritanopia (no blue cones) | #654457 | 0.089 |
| Achromatopsia (no color) | #4C4C4C | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683783
#683783
oklch(43.3% 0.129 312)
- #365D00
#365D00
oklch(43.2% 0.12 132)
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 #683783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.060
- Blueberry #464196 ΔE 0.069
- Twilight #4E518B ΔE 0.075
- Light Eggplant #894585 ΔE 0.076
- Purple #800080 ΔE 0.080
- Dusk #4E5481 ΔE 0.085
- Warm Purple #952E8F ΔE 0.090
Use #683783 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.