#683F73
Closest named color: Twilight (#4E518B). oklch(43.7% 0.096 318.9), rgb(104, 63, 115).
Aa
White text reads best on this color (8.24:1).
About this color
#683F73 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.096 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.067 away. White text reads best on it, at 8.24:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #683F73 |
| RGB | rgb(104, 63, 115) |
| HSL | hsl(287, 29%, 35%) |
| OKLCH | oklch(43.7% 0.096 318.9) |
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 #683F73 | 8.24:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #683F73 | 2.54:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #683F73 text on white | 8.24:1 | AAA | Lc 88.3 | Fine for body text |
| #683F73 text on black | 2.54:1 | Fails | Lc -13.9 | 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
#EFE7F1
oklch(93.7% 0.016 319.4)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D1B6D8
oklch(81% 0.055 319.3)
-
Step 400
400
#B98FC4
oklch(70.7% 0.089 319.2)
-
Step 500
500
#A772B5
oklch(63.1% 0.114 319.1)
-
Step 600
600
#9259A1
oklch(55.6% 0.125 319.1)
-
Step 700
700
#7C498A
oklch(49.1% 0.115 318.7)
-
Step 800
800 (this color)
#683F73
oklch(43.7% 0.096 318.9)
-
Step 900
900
#52345B
oklch(37.7% 0.074 318.2)
-
Step 950
950
#301F35
oklch(27% 0.046 318.4)
#683F73 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) | #374C75 | 0.084 |
| Deuteranopia (no green cones) | #425071 | 0.076 |
| Tritanopia (no blue cones) | #684653 | 0.062 |
| Achromatopsia (no color) | #4F4F4F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683F73
#683F73
oklch(43.7% 0.096 318.9)
- #345E28
#345E28
oklch(43.7% 0.095 139.1)
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 #683F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.067
- Dusk #4E5481 ΔE 0.068
- Brownish Purple #76424E ΔE 0.071
- Light Eggplant #894585 ΔE 0.071
- Dusty Grape #545775 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Dark Mauve #874C62 ΔE 0.081
Use #683F73 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.