#683E83
Closest named color: Rebecca Purple (#663399). oklch(44.5% 0.117 310.6), rgb(104, 62, 131).
Aa
White text reads best on this color (8.06:1).
About this color
#683E83 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.117 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 0.047 away. White text reads best on it, at 8.06:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #683E83 |
| RGB | rgb(104, 62, 131) |
| HSL | hsl(277, 36%, 38%) |
| OKLCH | oklch(44.5% 0.117 310.6) |
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 #683E83 | 8.06:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #683E83 | 2.60:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #683E83 text on white | 8.06:1 | AAA | Lc 87.7 | Fine for body text |
| #683E83 text on black | 2.60:1 | Fails | Lc -14.5 | 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
#E1D3EC
oklch(88.6% 0.037 310.5)
-
Step 300
300
#CFB5E2
oklch(81% 0.068 310.8)
-
Step 400
400
#B68DD3
oklch(70.7% 0.109 310.6)
-
Step 500
500
#A46FC7
oklch(63.1% 0.139 310.7)
-
Step 600
600
#8F55B4
oklch(55.6% 0.152 310.6)
-
Step 700
700
#7A459B
oklch(49.2% 0.141 310.7)
-
Step 800
800 (this color)
#683E83
oklch(44.5% 0.117 310.6)
-
Step 900
900
#513265
oklch(37.8% 0.091 310.8)
-
Step 950
950
#2F1E3B
oklch(27.1% 0.056 310.1)
#683E83 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) | #2C4E85 | 0.096 |
| Deuteranopia (no green cones) | #395181 | 0.087 |
| Tritanopia (no blue cones) | #65495A | 0.082 |
| Achromatopsia (no color) | #505050 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683E83
#683E83
oklch(44.5% 0.117 310.6)
- #3C6006
#3C6006
oklch(44.5% 0.118 130.8)
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 #683E83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.060
- Twilight #4E518B ΔE 0.062
- Blueberry #464196 ΔE 0.067
- Light Eggplant #894585 ΔE 0.068
- Dusk #4E5481 ΔE 0.071
- Dusty Grape #545775 ΔE 0.082
- Muted Purple #805B87 ΔE 0.091
Use #683E83 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.