#683D79
Closest named color: Rebecca Purple (#663399). oklch(43.7% 0.107 315.7), rgb(104, 61, 121).
Aa
White text reads best on this color (8.29:1).
About this color
#683D79 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.107 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.061 away. White text reads best on it, at 8.29:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #683D79 |
| RGB | rgb(104, 61, 121) |
| HSL | hsl(283, 33%, 36%) |
| OKLCH | oklch(43.7% 0.107 315.7) |
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 #683D79 | 8.29:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #683D79 | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #683D79 text on white | 8.29:1 | AAA | Lc 88.4 | Fine for body text |
| #683D79 text on black | 2.53:1 | Fails | Lc -13.8 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E2D3E9
oklch(88.6% 0.034 315.2)
-
Step 300
300
#D1B5DC
oklch(80.9% 0.062 316.4)
-
Step 400
400
#B98DCB
oklch(70.7% 0.1 315.9)
-
Step 500
500
#A770BD
oklch(63.1% 0.127 315.8)
-
Step 600
600
#9257A9
oklch(55.7% 0.137 315.9)
-
Step 700
700
#7C4691
oklch(49% 0.129 315.8)
-
Step 800
800 (this color)
#683D79
oklch(43.7% 0.107 315.7)
-
Step 900
900
#52325F
oklch(37.6% 0.084 315.6)
-
Step 950
950
#301E38
oklch(27% 0.053 314.9)
#683D79 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) | #314C7B | 0.092 |
| Deuteranopia (no green cones) | #3E5077 | 0.083 |
| Tritanopia (no blue cones) | #674655 | 0.071 |
| Achromatopsia (no color) | #4E4E4E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683D79
#683D79
oklch(43.7% 0.107 315.7)
- #355E1C
#355E1C
oklch(43.6% 0.106 135.7)
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 #683D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.066
- Twilight #4E518B ΔE 0.067
- Light Eggplant #894585 ΔE 0.070
- Dusk #4E5481 ΔE 0.071
- Blueberry #464196 ΔE 0.076
- Dusty Grape #545775 ΔE 0.079
- Brownish Purple #76424E ΔE 0.082
Use #683D79 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.